VULNRABLE / Vulnerability / CVE-2026-55638

CVE-2026-55638

HIGH LOW 9router GHSA

Exploit verdict: No active-exploit signal

CVSS Score
8
Severity
HIGH
EPSS
1%
Source
GHSA

Summary

9router: Unauthenticated LLM proxy access via /codex rewrite authorization bypass

What this means

CVE-2026-55638 is a high-severity vulnerability affecting 9router, rated CVSS 8. The EPSS model estimates a 1% probability of exploitation in the next 30 days. Published August 29, 2026.

View full advisory at GHSA →