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API Security Resources

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A curated AppSec resource library covering XSS, SQLi, SSRF, IDOR, RCE, XXE, OSINT, and more.

API Security

API security addresses the unique vulnerabilities that arise when applications expose functionality through programmatic interfaces. As organizations shift to API-first architectures, microservices, and third-party integrations, APIs have become the primary attack surface for modern applications. The OWASP API Security Top 10 identifies critical risks including Broken Object Level Authorization (BOLA), mass assignment, excessive data exposure, and lack of rate limiting. APIs often inadvertently expose more data than their UI counterparts, accept parameters that bypass frontend validation, and may lack the authentication and authorization checks that browser-based interfaces enforce. REST, GraphQL, gRPC, and WebSocket APIs each present distinct security challenges. Effective API security requires authentication hardening, input validation, output filtering, rate limiting, proper error handling, and comprehensive logging across every endpoint.

Read the API Sec guideA long-form, source-cited deep dive synthesized from every resource below. The comprehensive API Sec guide on chs.usA hand-written, in-depth practitioner guide — attacks, testing, and prevention.
Date Added Link Excerpt
2026-08-09 NEW 2026Indusface Introduces SwyftComply AI Defining the Next Era of Application Security with Autonomous Vulnerability Remediation newsIndusface has launched SwyftComply AI, an innovative solution designed to revolutionize application security through autonomous vulnerability remediation. This new AI-powered platform aims to automate the process of identifying and fixing security flaws, marking a significant advancement in the field. SwyftComply AI promises to streamline security operations and enhance protection against cyber threats by offering a more proactive and efficient approach to application security.
2026-08-08 NEW 2026BTCPay Server Breach: Patch Closes Flaw but Stolen Credentials Survive newsBTCPay Server has patched a critical vulnerability that allowed attackers to access user data, including private keys, by injecting malicious code into specific URLs. While the patch closes the exploit, the company acknowledges that credentials stolen during the breach remain compromised. Users are strongly advised to reset their passwords and rotate any associated API keys. The exact number of affected users and the extent of data compromised are still under investigation, and no bug bounty payout amount is mentioned. → techtimes.com
2026-08-08 NEW 2026Claude Code and Gemini CLI Flaws Let a GitHub Issue Reach CI Workflow Secrets newsA recent security analysis revealed critical vulnerabilities in Claude Code and Gemini CLI, allowing a GitHub issue to potentially access CI workflow secrets. Researchers discovered that improper handling of code and command-line interactions within these tools could be exploited to expose sensitive information embedded in GitHub Actions workflows. This discovery highlights a significant risk to the security of continuous integration pipelines and the secrets they manage. The specific payout amount for this bug bounty was not stated in the provided content. → thehackernews.com
2026-08-06 NEW 2026AWS Google and Vercel Patch Agent Flaws That Let Tool Calls Skip the Model news 7 min readLibrary updates address vulnerabilities in agent infrastructure from AWS (CVE-2026-18830 in AgentCore), Google (CVE-2026-18236 in ADK), and Vercel (@ai-sdk/harness-codex and @ai-sdk/harness-opencode, CVE-2026-64650 and CVE-2026-64651), allowing untrusted instructions to bypass model authorization and execute tools directly. These flaws affected Amazon Bedrock AgentCore's InvokeHarness API, Google's Agent Development Kit (ADK) for Python, and Vercel AI SDK harness packages. Patches vary across vendors, with AWS and Vercel releasing code fixes while Google addressed issues in ADK 2.5.0. → thehackernews.com
2026-08-06 NEW 2026CRLF-Powered Desync Attacks: Beheading HTTP Streams intermediate 24 min read SSRFWriteup detailing CRLF-powered desync attacks, transforming header injection into a worm. It covers novel detection and exploitation methods for IP and connection-locked desyncs, generating XSS to steal HTTPOnly cookies and avoid accidental data exposure. The research builds upon prior work by James Kettle and Sergey Bobrov, demonstrating how misconfigurations in Nginx can be leveraged for response queue poisoning and CDN infrastructure exploitation, leading to substantial bug bounties. → portswigger.net
2026-08-05 NEW 2026Paperclip AI Flaws Let Attackers Run Host Commands via Malicious Agent Imports intermediate 5 min readLibrary for securing AI agent control planes, addressing critical flaws in Paperclip. Vulnerabilities CVE-2026-41679 (CVSS 10.0) and GHSA-x8hx-rhr2-9rf7 (CVSS 9.6) allow attackers to execute host commands via malicious agent imports, with the former exploitable against network-accessible deployments and the latter requiring user interaction with local configurations. A third flaw, GHSA-xfqj-r5qw-8g4j, exposed sensitive data through unauthenticated API routes. Paperclip v2026.416.0 includes fixes, and Metasploit has a module for CVE-2026-41679. → thehackernews.com
2026-08-05 NEW 2026Indusface Introduces SwyftComply AI Defining the Next Era of Application Security with Autonomous Vulnerability Remediation news 3 min readLibrary for autonomous vulnerability remediation; SwyftComply AI uses AI-assisted pentesting for rapid discovery of vulnerabilities, followed by automatic virtual patching at the edge and human-certified validation by security experts within an SLA, delivering continuous compliance reports.
2026-08-04 NEW 2026Indusface Introduces SwyftComply AI Defining the Next Era of Application Security with Autonomous Vulnerability Remediation news 3 min readLibrary for autonomous vulnerability remediation, SwyftComply AI from Indusface, enables rapid protection of applications by virtually patching AI-discovered vulnerabilities. The solution offers AI-assisted discovery of critical and high-severity flaws, automatic virtual patching at the edge without code changes, human-certified validation by security experts within an SLA, and continuous compliance reporting. SwyftComply AI aims to bridge the gap between accelerated vulnerability discovery and delayed remediation, allowing enterprises to secure applications as quickly as threats emerge.
2026-08-04 NEW 2026Critical Azure Cosmos DB flaw threatened cross-tenant database takeover news 3 min readLibrary for Azure Cosmos DB Gremlin API analysis detailing the CosmosEscape vulnerability, which allowed attackers to escape the Gremlin query sandbox and obtain the "Cosmos Master Key." This flaw could have enabled cross-tenant database takeover, impacting services like Microsoft Entra ID, Teams, and Copilot. Wiz researchers discovered and privately disclosed the vulnerability to Microsoft, which has since remediated the issue and removed the platform-wide authentication mechanism. → csoonline.com
2026-08-04 NEW 2026Apache NiFi Vulnerabilities Allow Authorization Bypass and Remote Code Execution newsTwo critical vulnerabilities have been discovered in Apache NiFi, a popular dataflow automation tool. The first vulnerability allows for authorization bypass, enabling unauthenticated attackers to access sensitive information and perform unauthorized actions. The second vulnerability permits remote code execution, giving attackers the ability to run arbitrary code on the affected NiFi instance. These flaws pose a significant security risk to organizations using Apache NiFi for their data processing needs. Users are strongly advised to update to the latest patched version of Apache NiFi as soon as possible. → cyberpress.org
2026-08-04 NEW 2026Indusface Introduces SwyftComply AI Defining the Next Era of Application Security with Autonomous Vulnerability Remediation news 3 min readLibrary for autonomous vulnerability remediation, SwyftComply AI from Indusface leverages AI-assisted discovery to uncover critical and high-severity vulnerabilities. It provides autonomous virtual patching at the edge, human-certified validation with SLA guarantees, and continuous compliance reporting, enabling enterprises to rapidly protect applications against AI-driven threats without impacting development timelines.
2026-08-04 NEW 2026Apache NiFi Vulnerabilities Enable Authorization Bypass Attacks newsMultiple vulnerabilities have been discovered in Apache NiFi, allowing for authorization bypass attacks. These security flaws could permit unauthorized access and manipulation of sensitive data and configurations within NiFi instances. Users are strongly advised to update to the latest patched versions to mitigate these risks. The provided link offers further technical details on the vulnerabilities and their implications. → cybersecuritynews.com
2026-08-04 NEW 2026Cruising for Shells in Flowise - elttam intermediate 25 min read RCETool for identifying Remote Code Execution (RCE) vulnerabilities within the Flowise AI workflow platform. This analysis details multiple vectors discovered in versions 3.1.1 and 3.1.2, including exploitation of the `pandas` library via the CSVAgent node by controlling Python code execution and abusing TypeORM's `DataSource` initialization to load arbitrary JavaScript. The research also covers prior vulnerabilities such as CVE-2025-58434 and the insecure use of `stdio` MCP servers leading to CVE-2026-40933 and others. → elttam.com
2026-08-03 NEW 2026S3 Clones in the Neoclouds beginner 8 min readAnalysis of S3-compatible object storage services highlights risks unique to these "S3 clones" like Nebius, Crusoe, Vultr, Lambda Labs, Cloudflare, and DigitalOcean. While offering convenience by adhering to S3 APIs, these services often lack the robust security features of AWS S3, such as comprehensive IAM policy controls and default public access blocking. Issues arise with public bucket configurations, credential management (lack of secret scanning for some vendors), and limited least privilege capabilities, creating potential vulnerabilities for organizations adopting these alternative cloud storage solutions. → wiz.io
2026-07-31 2026Public-Facing Application Attacks Are Now the Initial Access Problem beginner 9 min readLibrary for continuous runtime application and API risk management, focusing on public-facing application vulnerability exploitation as the leading initial access vector. It addresses the shift in attack paths driven by AI, which compresses attacker timelines and introduces new risks through AI-powered features within applications. This library helps organizations adapt to modern AppSec challenges where traditional vulnerability management fall short, emphasizing the need for runtime testing to validate exploitable attack paths and manage the expanding AI attack surface. → blog.qualys.com
2026-07-31 2026Keycloak Vulnerability Exposes User Names and Email Addresses Across Admin Boundaries newsA critical vulnerability in Keycloak, an open-source identity and access management solution, allowed attackers to access user names and email addresses across different administrative domains. This serious security flaw, identified as CVE-2024-4833, could lead to unauthorized data exposure for users. While the vulnerability has been disclosed, specific details about the impact and any associated bug bounty payouts were not provided in this brief announcement. Users are advised to update their Keycloak instances to the latest secure versions. → cybersecuritynews.com
2026-07-31 2026Azure Cosmos DB Flaw Exposed Platform-Wide Key That Could Access Any Database news 3 min readWriteup of CosmosEscape, an exploit chain targeting Azure Cosmos DB, details how a crafted Gremlin query could escape the sandbox, leading to arbitrary code execution. This execution provided access to a platform-wide signing secret and regional account directory, enabling retrieval of any Cosmos DB account's primary key. Wiz researchers discovered this vulnerability, which could grant read/write access across customer tenants. Microsoft patched the Gremlin entry point and eliminated the platform-wide key by July 2026. → thehackernews.com
2026-07-31 2026Building secure Uniswap v4 hooks intermediate 9 min readLibrary of security patterns for building secure Uniswap v4 hooks. This resource analyzes recurring failure modes in application and hook code, including missing caller checks (seen in the Cork exploit), improper pool validation (as in Semantic Layer's SVFHook finding), custom accounting errors leading to value leaks (evidenced by the Bunni exploit's rounding bug), incorrect hook sequencing, and issues with address bits in the API. Developers can use these identified patterns as a development checklist, while auditors can leverage them to focus their review efforts. → blog.trailofbits.com
2026-07-31 2026CosmosEscape: Taking Over Every Azure Cosmos DB news 6 min readLibrary for identifying and exploiting CosmosEscape, a critical vulnerability in Azure Cosmos DB's Gremlin API. This flaw allows attackers to obtain a platform-wide "Cosmos Master Key," enabling the takeover and enumeration of all databases across the service, including those used by Microsoft's internal services like Microsoft Entra ID and Microsoft Teams. The vulnerability stems from a bypass of the Gremlin query sandbox, leading to code execution and access to a configuration store that lists all Cosmos DB accounts. → wiz.io
2026-07-30 2026HTTP Request Smuggling in Hiawatha intermediate 10 min readWriteup detailing an HTTP Request Smuggling vulnerability (CWE-444) in Hiawatha versions <= 12.1. This flaw arises from Hiawatha incorrectly prioritizing Content-Length over the mandated Transfer-Encoding header and, when acting as a reverse proxy, forwarding ambiguous requests without stripping the original Content-Length. Exploitation by an unauthenticated attacker can desynchronize front-end and back-end connections, potentially leading to denial of service, integrity violations, or unauthorized resource access. The vulnerability was patched in Hiawatha version 12.2.
2026-07-30 2026The Most Overlooked Vulnerability — Http request Smuggling beginner 4 min readWriteup on HTTP Request Smuggling details how inconsistencies in how front-end and back-end servers parse headers, specifically `Content-Length` and `Transfer-Encoding`, can lead to vulnerabilities. This desynchronization, manifesting as CL.TE, TE.CL, or TE.TE attacks, allows bypasses of security filters, session hijacking, and cache poisoning by injecting malicious data or requests into subsequent legitimate traffic. The writeup highlights the ambiguity inherent in HTTP/1.1 and contrasts it with the frame-based delimiter system of HTTP/2. → infosecwriteups.com
2026-07-30 2026Contrast Security Launches CVE Shield as AI Accelerates Exploitation of Known Vulnerabilities newsContrast Security has introduced CVE Shield, a new solution designed to combat the accelerated exploitation of known vulnerabilities by AI. This product aims to help organizations proactively identify and remediate risks posed by these rapidly weaponized CVEs. The AI-driven threat landscape necessitates faster and more effective vulnerability management. CVE Shield offers a way for businesses to stay ahead of these evolving threats.
2026-07-29 2026Bugcrowd brings continuous agentic pentesting to web apps and APIs with Savant Pathseeker news 3 min readLibrary by Bugcrowd, Savant Pathseeker, offers continuous agentic penetration testing for external web applications and APIs. Unlike traditional scanners, it identifies vulnerabilities, attempts exploitation, and provides evidence of exploitability. Pathseeker utilizes purpose-built agentic systems with proprietary security testing skills and orchestration, including autonomous API fuzzing and attack-path reasoning, complementing human-led investigations for complex issues. Findings integrate directly into the Bugcrowd platform, correlating with human results for prioritized remediation.
2026-07-29 2026How an Unpatched N-Day Let Any Anonymous Visitor Rewrite WooCommerce Prices in ND Booking news 11 min read AuthZ Bug BountyWriteup detailing CVE-2025–63001, an unpatched vulnerability in ND Booking for WordPress that allows anonymous users to rewrite WooCommerce product prices. The flaw lies in ND Booking’s AJAX handler `nd_booking_woo_php`, which fails to properly validate pricing and uses a publicly accessible nonce for authentication, enabling attackers to directly set arbitrary prices for linked WooCommerce products. → infosecwriteups.com
2026-07-29 2026How I found an IDOR in Google Classroom on Day 3 of my Hunting? beginner 3 min read Bug Bounty IDORWriteup detailing an IDOR vulnerability in Google Classroom's Batchexecute system. The author discovered that by manipulating submission IDs within Batchexecute RPC calls, it was possible to post private comments to assignments belonging to other students. This bypasses authorization checks designed to restrict visibility of these comments to only the student and their teacher, and was discoverable by analyzing traffic from enrollment pages. → infosecwriteups.com
2026-07-28 2026Exploiting Volvo/Eicher's fleet platform to gain control over all users/vehicles intermediate 4 min read AuthZWriteup detailing the discovery and exploitation of vulnerabilities within Volvo/Eicher's My Eicher fleet management platform. The research uncovered unauthenticated internal APIs that allowed for account takeover, granting control over user accounts and their associated vehicle fleets. Sensitive data, including Aadhaar cards and driving licenses, was also exposed through these APIs.
2026-07-28 2026LetsDefend: SOC169 — Possible IDOR Attack Detected (Walkthrough) intermediate 6 min read IDORWalkthrough of an IDOR attack on LetsDefend SOC169, detailing the detection of sequential POST requests to the `/get_user_info/` endpoint. The investigation analyzed HTTP logs, revealing altered `user_id` parameters leading to varying response sizes and HTTP 200 OK status codes, indicating successful unauthorized access to multiple user records. Threat intelligence linked the source IP to DigitalOcean, with reports of malicious activity, reinforcing the conclusion of a true positive alert and necessitating containment and Tier 2 escalation for remediation. → infosecwriteups.com
2026-07-28 2026Unauthenticated Disclosure of A/B Test Data in Convert Pro — How Two Forgotten AJAX Endpoints… intermediate 9 min read AuthZWriteup detailing an unauthenticated disclosure of A/B test data in Convert Pro version 1.0.1. Two forgotten AJAX endpoints, `convertpro_interactions_report_ajax` and `convertpro_get_chart_data`, allowed unauthorized access to sensitive split-test configurations, names, variations, and complete view/conversion statistics by simply requesting URLs with sequential integer IDs. The vulnerability stemmed from a lack of authentication and authorization checks on these reporting endpoints, despite them accessing internal plugin tables. → infosecwriteups.com
2026-07-25 2026Can AI-Generated Code Introduce Security Vulnerabilities? beginnerAI-generated code can indeed introduce security vulnerabilities. While AI tools can accelerate development, they may produce code with flaws that attackers can exploit. Developers must remain vigilant, thoroughly reviewing AI-generated code for security weaknesses, as they would with human-written code. This includes common vulnerabilities like injection flaws and insecure defaults. Therefore, relying solely on AI without human oversight poses significant security risks. → securityboulevard.com
2026-07-21 2026Critical Gitea Vulnerability Lets Public Repository Tokens Trigger Private Workflows newsA critical vulnerability in Gitea allows public repository tokens to trigger private workflows. This means attackers could potentially exploit publicly accessible information to gain unauthorized access to sensitive operations within private repositories. The full impact and potential severity of this exploit are still being assessed, but it poses a significant security risk for Gitea users who rely on private workflows for their development processes. Further details are available at the provided link. → cyberpress.org
2026-07-21 2026Exploitation in the Wild of wp2shell news 3 min read RCEWriteup detailing the exploitation of wp2shell, a critical pre-authentication RCE vulnerability chain in WordPress Core (CVE-2026-63030 & CVE-2026-60137). Attackers deploy persistent webshells, perform user enumeration via the REST API, and attempt local file inclusion attacks against `admin-ajax.php`. This writeup covers observed post-exploitation activities including malicious plugin uploads and the use of sophisticated PHP webshells, as well as detection indicators like HTTP 207/200 responses to batch endpoint requests. → wiz.io
2026-07-20 2026WordPress WP2Shell Flaws Now Under Active Exploitation newsThe WordPress plugin WP2Shell is currently under active exploitation due to critical vulnerabilities. These flaws allow attackers to execute arbitrary commands on vulnerable servers, posing a significant security risk. Users are strongly advised to update the WP2Shell plugin immediately to the latest version to patch these vulnerabilities and protect their WordPress websites from potential compromise. → sqmagazine.co.uk
2026-07-20 2026WordPress Remote Code Execution Vulnerability (CVE-2026-63030/CVE-2026-60137) Notice newsThis notice addresses critical Remote Code Execution vulnerabilities in WordPress, identified by CVE-2026-63030 and CVE-2026-60137. These flaws could allow attackers to execute arbitrary code on affected WordPress sites, posing a significant security risk. Users are strongly advised to update their WordPress installations to the latest version to patch these vulnerabilities. The provided link offers further details and resources regarding the vulnerabilities. No specific bug bounty payout amount is mentioned. → securityboulevard.com
2026-07-20 2026GPT-5.6 Sol Ultra Discovers WordPress Pre-Auth SQL Injection Leading to RCE newsGPT-5.6 Sol Ultra has identified a critical pre-authentication SQL injection vulnerability in WordPress, which can lead to Remote Code Execution (RCE). This discovery highlights a significant security flaw that attackers could exploit to gain unauthorized access and control over WordPress websites. Further details on the exploit and its implications are available at the provided link. → gbhackers.com
2026-07-19 202610 API Security Best Practices beginnerLibrary encompassing essential API security practices, including implementing OAuth 2.0 and OpenID Connect for strong authentication, enforcing role-based access controls, and encrypting data with HTTPS and TLS. It details input validation to prevent SQL injection and cross-site scripting, rate limiting for abuse reduction, and continuous monitoring for suspicious activity. The resource also stresses regular API key rotation, keeping APIs updated with patches, and conducting security testing like penetration testing to identify vulnerabilities.
2026-07-19 2026600$ For Stealing Podcasts/Show via RSS Feed Manipulation intermediate 2 min read AuthZWriteup detailing a business logic flaw on a podcasting platform where manipulating an RSS feed's `<itunes:email>` tag allowed an attacker to bypass ownership verification, claim legitimate podcasts, and impersonate creators. The flaw was exploitable by hosting a modified RSS feed on cloud storage and submitting its URL to the platform, which then sent a verification code to the attacker's email. The platform patched this by implementing stricter checks on RSS feed content and detecting re-hosted copies. → infosecwriteups.com
2026-07-19 2026From User Enumeration to PII Exposure: Chaining Two APIs Into a $2,000 Bug intermediate AuthZWriteup detailing a chained Broken Access Control vulnerability on target.com's Academy platform. This exploit, starting with user enumeration via a messaging feature and escalating through API interaction, successfully exposed sensitive personal information at scale, leading to a $2,000 bounty. The technique highlights the critical importance of examining API endpoint interactions rather than individual endpoint security. → infosecwriteups.com
2026-07-18 2026What Is API-Driven Threat Intelligence? beginner 8 min readLibrary for API-driven threat intelligence, automating the sharing of cyber threat data like Indicators of Compromise (IOCs), Indicators of Attack (IOAs), and Tactics, Techniques, and Procedures (TTPs) between security systems using structured formats such as STIX and TAXII. This enables continuous updates, faster detection, and coordinated responses by integrating with SIEM and SOAR platforms for automated actions and threat hunting. → cloudsek.com
2026-07-18 2026Zero Credentials, Full Access: Inside a Complete Authorization Failure intermediate 3 min read AuthN AuthZWriteup detailing a critical authorization failure in an enterprise SaaS API where trust boundaries were repeatedly breached, allowing unauthenticated users to access premium functionality, impersonate other users, read private conversations, and manipulate server-side resources by exploiting a lack of authentication, client-controlled metadata, and exposed API documentation. → infosecwriteups.com
2026-07-17 2026New MCP Security Flaws: Kubectl-mcp-server Archon OS and MarkItDown Vulnerabilities news 3 min readLibrary detailing vulnerabilities in popular MCP tools, including CVE-2025-65719 and CVE-2025-69443 in kubectl-mcp-server and Archon OS. These flaws, affecting over 140,000 GitHub stars, expose users to data exfiltration, credential theft, and lateral movement by exploiting the inherent lack of authentication and sandboxing in the MCP protocol. → ox.security
2026-07-16 2026The Red Agent POV: The One Boolean That Broke a B2B Platform’s Credit System intermediate 5 min read AuthZWriteup detailing a business-logic flaw discovered by an autonomous agent in a B2B platform’s credit system, allowing free-tier users to access millions of paywalled contact records. The flaw, a single client-controlled boolean flag (`unmaskContactData`), bypassed authorization and monetization controls because the backend failed to validate user entitlements, demonstrating how conventional SAST and DAST tools miss these intent-based vulnerabilities. → wiz.io
2026-07-15 2026Introducing snowpick: Testing ServiceNow for Public Data Exposure beginner 10 min read AuthZTool for testing ServiceNow instances for public data exposure, snowpick automates the discovery of vulnerable Service Portal widgets and Table REST API endpoints. It differentiates between full row access and count-only leaks, generating reproducible evidence packages. The tool leverages research on widget-simple-list and the Table REST API, building on prior work by Aaron Costello and AppOmni, and addresses blind inference techniques like those documented by Varonis Threat Labs in CVE-2025-3648. → bishopfox.com
2026-07-14 2026RabbitMQ Flaws Could Leak OAuth Secrets and Expose Cross-Tenant Queue Metadata news 2 min readWriteup of RabbitMQ vulnerabilities CVE-2026-57219 and CVE-2026-57221 details how an unauthenticated attacker can leak OAuth client secrets, potentially leading to full broker takeover, and how authenticated users can enumerate other tenants' queues and metadata. These flaws, present since early 2024 in RabbitMQ release lines 3.13.0 and later, have been fixed in newer versions. Mitigation advice includes patching, rotating secrets, restricting management interface access, and tenant isolation. → thehackernews.com
2026-07-14 2026Hackers Can Exploit RabbitMQ OAuth Flaw to Access Every Message Queue and User newsA critical vulnerability in RabbitMQ's OAuth 2.0 authentication plugin allows attackers to bypass access controls. This flaw enables unauthorized users to gain full administrative privileges, granting them access to all message queues and user credentials. The vulnerability exists in how the plugin handles requests when the `x-rabbitmq-source` header is missing. Successful exploitation could lead to sensitive data exposure and complete control over the RabbitMQ server. → gbhackers.com
2026-07-11 2026How to keep an HTTP connection alive for 9 hours intermediate 9 min read AuthNTool for managing CTF user accounts and notifications, built with Spring Boot, Spring Security, and WebFlux. It integrates with the CTFd API to create users, assign unique aliases, and manage email notifications, including handling API rate limits with robust retry mechanisms and supporting long-running bulk email processes using Server-Sent Events (SSE) for status updates. → snyk.io
2026-07-10 2026Your next insider threat doesnt have a badge. It has an API token beginner 6 min readLibrary for securing AI agents, this resource addresses the evolving threat landscape where authorized AI agents, acting within their granted permissions, can cause breaches through sequences of seemingly benign actions. It details failure modes like tool-chain abuse, delegation-chain exploitation, and approval evasion, arguing that traditional security models focused on "who is allowed in" and "what data is allowed out" are insufficient for agentic systems. The library advocates for a runtime policy engine to govern agent actions at the moment they occur, ensuring authority shrinks during delegation and that audit logs serve as immutable evidence.
2026-07-08 2026Chaining a DOM XSS Sink, WAF Bypass, Cross-Origin Smuggling, and SDK Abuse into One Click Account… advanced 8 min read AuthN XSSLibrary for chaining application vulnerabilities, including DOM XSS sinks, Akamai WAF bypasses, cross-origin smuggling via `window.name`, and authentication SDK abuse. This technique exploits a lack of URL validation in error pages, a structural flaw in an Akamai WAF rule allowing `javascript:top["setTimeout"](name)`, and the persistence of `window.name` across origins to execute arbitrary JavaScript. The payload then leverages a first-party authentication SDK to exfiltrate signed JWTs and live AWS STS credentials, enabling one-click account takeover. → infosecwriteups.com
2026-07-07 2026Critical Vulnerability in GCP Dialogflow Allows Attackers to Inject Malicious Code newsA critical vulnerability has been discovered in Google Cloud Platform's Dialogflow that allows attackers to inject malicious code. This flaw could enable unauthorized access and manipulation of sensitive data within applications built on Dialogflow. The exact payout amount for reporting this vulnerability is not specified in the provided content. → cybersecuritynews.com
2026-07-07 2026Gemini Live API Flaw Lets Attackers Inject Code Execution Through Unconstrained Tokens intermediateA critical flaw in the Gemini Live API allowed attackers to achieve code execution by injecting unconstrained tokens. This vulnerability, identified by researchers, could have enabled malicious actors to compromise systems. The specific bounty payout for this discovery is not mentioned in the provided content. → cyberpress.org
2026-07-07 2026Chasing Zero-Day Vulnerabilities via the Anchore Enterprise API intermediateThis content, titled "Chasing Zero-Day Vulnerabilities via the Anchore Enterprise API," suggests a focus on identifying previously unknown (zero-day) security flaws within the Anchore Enterprise API. The provided link likely leads to a detailed explanation or demonstration of techniques used for this pursuit. The core theme revolves around proactive vulnerability research and the exploitation of a specific API for discovering critical security issues. No bug bounty payout amount is mentioned. → securityboulevard.com

Frequently Asked Questions

What is the OWASP API Security Top 10?
The OWASP API Security Top 10 is a list of the most critical API security risks, including Broken Object Level Authorization (BOLA), Broken Authentication, Broken Object Property Level Authorization, Unrestricted Resource Consumption, Broken Function Level Authorization, Server Side Request Forgery, Security Misconfiguration, and Lack of Protection from Automated Threats.
Why are APIs harder to secure than web applications?
APIs often expose more data and functionality than web UIs, accept complex input formats, lack the natural access controls of a browser interface, and are harder to monitor. They also tend to grow organically, creating shadow APIs that bypass security controls, and their machine-to-machine nature makes abuse detection more difficult.
What tools are used for API security testing?
Common tools include Burp Suite with API-focused extensions, Postman for manual testing, OWASP ZAP for automated scanning, Akto for API inventory and testing, and custom scripts for fuzzing API parameters. For GraphQL APIs, InQL and graphql-cop are essential. API specification files (OpenAPI/Swagger) are valuable for understanding and testing the full attack surface.

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