NVD security advisoryHigh
High advisory for Mistral Vibe
CVE-2026-122133 · Reported 4 Nov 2026
Full advisory details, affected packages, severity context, and original source.
Affected technology
Mistral VibeAffected product
Advisory overview
Mistral Vibe before 2.25.5 on Windows contains an untrusted search path vulnerability that allows attackers to execute code by placing git.exe in a repository root. Attackers can lure users into opening a crafted repository so SessionLogger and ProjectContextProvider run the malicious git.exe at session start before any trust prompt.
Related references
- https://github.com/mistralai/mistral-vibe
- https://github.com/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/session/session_logger.py#L137-L141
- https://github.com/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/system_prompt.py#L51-L64
- https://github.com/mistralai/mistral-vibe/blob/v2.25.5/CHANGELOG.md?plain=1#L81
- https://github.com/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553
- https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.5
- https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.5-on-windows-untrusted-search-path-rce-via-git-exe