Security Briefings
Source-reviewed guidance for security tooling, browser-local workflows, and practical engineering decisions.
CVE-2026-59208: n8n Token Exchange Cross-Issuer Account Confusion
How CVE-2026-59208 let a valid JWT from one trusted issuer resolve to an account under another issuer, which versions are affected, and how to remediate it.
OAuth Token Leakage in CI/CD: Prevention and Response
Reduce CI/CD token exposure with short-lived workload identity, least privilege, safe logs, pinned actions, and a tested revocation plan.
JWT Token Exposure: A Defensive Response Guide
How to respond when JWTs or signing keys are exposed, without relying on a fabricated incident narrative.
HTTP Request Smuggling in API Gateways: Prevention and Testing
Understand HTTP request smuggling, assess proxy-to-origin parsing boundaries, patch Jetty and Axios advisories, and test safely in an authorized environment.
Mass Assignment in APIs: Prevent Unsafe Object Binding
Learn how mass assignment lets clients modify unintended object properties, how it maps to OWASP API3:2023, and how explicit schemas and authorization prevent it.
Vercel Context.ai Incident: OAuth App Governance Lessons
What Vercel confirmed about the April 2026 Context.ai incident, plus a practical process for reviewing OAuth grants, consent, and response.
AI Agent Credential Security: Inventory, Scope, and Rotation
A practical guide to inventorying, scoping, rotating, and monitoring credentials used by AI agents and other non-human workloads.
JWT Signing: Safe Token Issuance and Validation
A source-reviewed guide to JWT signing, algorithm selection, claim validation, key separation, rotation, and safe test-token generation.
CVE-2026-33143: OneUptime Webhook Signature Verification
What CVE-2026-33143 affected in OneUptime, how the fix changes the webhook trust boundary, and how to validate and test signed webhook handlers safely.
Hash Generator Guide: SHA-256, Password Hashing, and Verification
Learn what SHA-256 and other hashes can prove, how to verify a digest safely, and why passwords need Argon2id, scrypt, bcrypt, or PBKDF2 instead.
CVE-2026-35616: FortiClient EMS Patch and Response Guide
FortiClient EMS 7.4.5 and 7.4.6 are affected by actively exploited CVE-2026-35616. Check the fixed versions, hotfix paths, and response steps.
Are Environment Variables Secure? A Practical Secrets Management Guide
Environment variables keep secrets out of source code, but they are not a secret manager. Learn where they leak and how to protect .env files, CI/CD, containers, and production credentials.
What Is Secure Coding? 12 Practices and a Developer Checklist
A practical secure coding guide covering input validation, authorization, secrets, dependencies, logging, testing, and a checklist for every release.
Password Security: Why Your Credentials Are Vulnerable
Learn why passwords remain the weakest link in security, common attack methods, and best practices for protecting your credentials in the modern threat landscape.
Hash Collision Attacks: MD5, SHA-1, and Safe Verification
Understand hash collisions, why MD5 and SHA-1 are unsafe for signatures, and how to verify files with SHA-256 and an authenticated source.
Securing the Security Tools in Your CI/CD Supply Chain
A defensive guide to limiting the impact of compromised CI/CD actions, scanners, dependencies, and release automation.
Environment Variable Leaks: How Secrets Escape and What to Do
Exposed a .env file or environment variable? Revoke real credentials first, investigate where they escaped, remove reachable copies, and fix the leak path.
Broken Object Level Authorization (BOLA): Prevention and Testing
Learn how BOLA occurs in REST and GraphQL APIs, why authentication and unpredictable IDs are insufficient, and how to enforce and test object-level authorization.
JWT Vulnerabilities: Algorithm Confusion, Weak Secrets, and Safe Validation
Understand HS256 JWT vulnerabilities, algorithm confusion, weak signing secrets, missing claim checks, token disclosure, and the validation rules that prevent them.
API Key Leaks: Detection, Response, and Prevention
Learn where API keys leak, how to respond without delaying revocation, and how restrictions, secret scanning, short-lived credentials, and least privilege reduce risk.
Secrets Sprawl: Preventing Credential Exposure in Code and Collaboration
A sourced, practical guide to preventing, detecting, revoking, and safely redacting exposed API keys and other credentials.
AI API Provider Exit Planning: Security and Resilience
Build an evidence-based exit plan for AI API providers: inventory dependencies and data flows, contain outages, migrate safely, and revoke access.
AI Sycophancy in Security: Why Chatbot Advice Needs Verification
AI assistants can produce confident, agreeable security advice. Use independent controls, authoritative guidance, and human review before acting on it.
CVE-2026-29000: pac4j-jwt Authentication Bypass and Fix
CVE-2026-29000 affects encrypted JWT processing in pac4j-jwt. Check the affected versions, upgrade paths, exposure conditions, and safe validation steps.
GraphQL Batching and Resource Limits: A Defensive Guide
Bound GraphQL batching, aliases, depth, pagination, and query cost without confusing one HTTP request with one unit of work.
Shadow APIs: How to Find and Govern Unknown Endpoints
A defensive guide to discovering undocumented API hosts, versions, routes, and data flows without relying on unsupported incident statistics.
How to Generate a UUID v4 in Your Browser
Generate RFC 9562 UUID v4 identifiers with browser Web Crypto, understand their collision probability, and learn when UUIDs are—and are not—the right choice.
OAuth Redirect Abuse: Detection and Defensive Controls
How OAuth error redirects can carry users from trusted identity-provider URLs to phishing or malware pages, with role-specific detection and mitigation guidance.
API Rate Limit Bypass: Layered Defensive Controls
Design API rate limits that resist distributed and identity-shifting abuse without treating IP addresses, fingerprints, or one counter as proof of identity.
SQL Injection in Modern APIs: Why Parameterized Queries Still Matter in 2026
SQL injection remains a critical threat to API security. Learn why even modern applications fall victim, how to implement proper parameterized queries, and defensive coding patterns.
Why Your API JSON Responses Are a Security Blind Spot: A 2026 Guide
Learn how excessive JSON response fields expose sensitive data, how this differs from request-side mass assignment, and how to test explicit response contracts.
Base64 vs Base64URL: When URL Safety Matters
A practical guide to understanding Base64 and Base64URL encoding differences, common bug patterns, and secure implementation across JavaScript, Python, Go, and Java.
SSRF Attacks in Modern APIs: How a Single Request Can Expose Your Entire Infrastructure
A defensive guide to Server-Side Request Forgery (SSRF) risks in APIs, including URL validation, network controls, cloud metadata protection, and testing.
API Gateway Security: Controls Before Automation
A practical API gateway security baseline covering inventory, authentication, authorization, rate limits, logging, and safe use of anomaly detection.
Webhook Signature Validation HMAC SHA256 Best Practices: The Ultimate 2026 Guide
Learn how to securely validate webhook signatures using HMAC-SHA256, prevent replay attacks, avoid timing attacks, and implement enterprise-grade webhook security for your API integrations.
Why Committed .env Files Require Credential Rotation
A practical response guide for .env files committed to source control, replacing unsupported fictional breach stories.