CVE-2026-122133 json
Mistral Vibe before 2.25.5 on Windows Untrusted Search Path RCE via git.exe
published 2026-11-04 4 d ago modified 2026-11-05 3 d ago also EUVD-2026-117087
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- mistralai mistral-vibe 2.25.5
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3 d ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.6 | 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 | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.6 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- mistralai mistral-vibe
Classification
- Weakness
-
- CWE-427 Uncontrolled Search Path Element
References
-
github.com
/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553
patch
-
github.com
/mistralai/mistral-vibe
product
-
github.com
/mistralai/mistral-vibe/blob/v2.25.5/CHANGELOG.md?plain=1#L81
release-notes
-
github.com
/mistralai/mistral-vibe/releases/tag/v2.25.5
release-notes
-
github.com
/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/system_prompt.py#L51-L64
technical-description
-
github.com
/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/session/session_logger.py#L137-L141
technical-description
-
vulncheck.com
/advisories/mistral-vibe-before-2.25.5-on-windows-untrusted-search-path-rce-via-git-exe
third-party-advisory
Sources
- CVE List CVE-2026-122133
- NVD CVE-2026-122133
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.