CVE-2026-121967 Coder before 2.29.22, 2.34.13, 2.35.10, 2.36.8, 2.37.5, and 2.38.1 AI Gateway Path Traversal

Low 2.3 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-121967?

CVE-2026-121967 is a low-severity vulnerability in coder, published on 4 Nov 2026.

Official description

Coder 2.28.0 before 2.29.22, 2.30.0 before 2.34.13, 2.35.0 before 2.35.10, 2.36.0 before 2.36.8, 2.37.0 before 2.37.5, and 2.38.0 before 2.38.1 contains a path traversal vulnerability in the AI Gateway passthrough router, which forwards percent-encoded dot segments upstream without rejecting them. Authenticated users can send paths such as %2e%2e or ..%2F under allowlisted prefixes to reach unintended provider endpoints using the deployment's centrally managed provider key.

Weakness: CWE-22

Which versions are affected by CVE-2026-121967?

How do I fix CVE-2026-121967?

No fix has been published for CVE-2026-121967 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-121967 being exploited?

There is no known exploitation of CVE-2026-121967 in the wild and no public exploit code.

Sources

Also known as GHSA-373r-678h-hjc6, GHSA-c6h5-pw77-hjcp.

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