CVE-2026-122133
Mistral Vibe before 2.25.5 on Windows Untrusted Search Path RCE via git.exe
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| mistral-vibe mistralai mistral-vibe
pypi |
≥ 0; < 2.25.5 (affected, semver)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 8.6 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 8.8 high |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553CNA: VulnCheck · patch
- https://github.com/mistralai/mistral-vibeCNA: VulnCheck · product
- https://github.com/mistralai/mistral-vibe/blob/v2.25.5/CHANGELOG.md?plain=1#L81CNA: VulnCheck · release-notes
- https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.5CNA: VulnCheck · release-notes
- https://github.com/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/system_prompt.py#L51-L64CNA: VulnCheck · technical-description
- https://github.com/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/session/session_logger.py#L137-L141CNA: VulnCheck · technical-description
- https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.5-on-windows-untrusted-search-path-rce-via-git-exeCNA: VulnCheck · third-party-advisory
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