Blogs

Code Security
Mar 6, 2026
When an AI Code Reviewer Flags a CVSS-10 Authentication Bypass
CVE-2026-29000 reveals a critical flaw in pac4j JWT validation. See how a null check skipped signature verification and allowed full authentication bypass.

Code Security
Mar 6, 2026
Inside CVE-2026-29000: The pac4j JWT Authentication Bypass Explained
Learn how a subtle JWT implementation bug allowed authentication bypass in pac4j-jwt with a CVSS score of 10.

Code Security
Mar 6, 2026
From Code Audit to Global CVE: The Story Behind the pac4j JWT Authentication Bypass
A behind-the-scenes look at how CVE-2026-29000 spread from discovery to global vulnerability intelligence platforms.

Code Security
Mar 6, 2026
The Anatomy of a CVSS 10 Vulnerability
A deep dive into CVSS score 10 vulnerabilities and why architectural trust boundaries create catastrophic security bugs.

Code Security
Mar 5, 2026
Is pac4j Even Widely Used?
A deep dive into the pac4j authentication bypass and why security infrastructure libraries carry disproportionate risk.

Code Security
Mar 5, 2026
Code-Level Breakdown of the pac4j JWT Authentication Bypass (CVE-2026-29000)
How a subtle control-flow bug in pac4j JWT validation allowed attackers to bypass authentication entirely.

Code Security
Mar 5, 2026
From Deserialization Attacks to JWT Validation Bugs: The New AppSec Threat
JWT validation flaws are a growing security risk. Discover how token validation bugs break authentication systems.

Code Security
Mar 4, 2026
Why the Worst Security Vulnerabilities Always Break the Same Rule
Explore how major vulnerabilities like Log4Shell and Apache Struts share the same root cause: trust boundary failures.

Code Security
Mar 4, 2026
How a Single Vulnerability Becomes a Global Security Alert
How does a vulnerability become global security intelligence? This guide explains the full CVE lifecycle.

Code Security
Mar 2, 2026
Encryption Does Not Prove Identity
Encryption protects confidentiality, not identity. Learn how a design mistake in pac4j-jwt caused a CVSS-10 authentication bypass.

AI Code Review
Jan 27, 2026
Input vs Output vs Reasoning Tokens: What Actually Impacts Cost (2026 Guide)
Input tokens are cheap. Output and reasoning tokens aren’t. Here’s how they quietly blow up LLM budgets.

AI Code Review
Jan 15, 2026
How SWE-Bench Scores Translate to Real-World LLM Coding Ability
Understand what SWE-Bench scores really measure, where they mislead, and how to assess LLM coding tools for real-world engineering teams.









