CVE-2026-61462 mcp-gitlab Path Traversal via job_id Parameter
Attackers can exploit path traversal in the job_id parameter to access arbitrary GitLab API resources using the operator's token.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61462?
CVE-2026-61462 is a critical path traversal vulnerability in zereight mcp-gitlab, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mcp-gitlab contains a path traversal vulnerability in the job_id parameter of build/index.js that allows attackers to redirect GitLab API requests to arbitrary endpoints. Attackers can supply crafted job_id values like ../../../user to escape the intended path prefix and access arbitrary GitLab API resources using the operator's personal access token.
Weakness: CWE-73
Which versions are affected by CVE-2026-61462?
How do I fix CVE-2026-61462?
No fix has been published for CVE-2026-61462 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-61462 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-61462 exists.
Sources
Also known as GHSA-5383-j2p9-qfg3.