CVE-2026-122133

EUVD-2026-117087
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
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