CVE-2026-122133: high-severity vulnerability in mistralai mistral-vibe
Mistral Vibe before 2.25.5 on Windows Untrusted Search Path RCE via git.exe
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.4%
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.
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
Affected products
mistralai · mistral-vibeRelated CVEs — mistralai mistral-vibe
In the same product, most dangerous first.
CVE-2026-67623HIGHMistral Vibe < 2.23.3 Arbitrary Command Execution via git fsmonitor HookEPSS 1.1%CVE-2026-93993HIGHMistral Vibe before 2.25.5 Remote Code Execution via git post-checkoutEPSS 0.8%CVE-2026-87983CRITICALCVE-2026-87983EPSS 0.6%CVE-2026-87987CRITICALCVE-2026-87987EPSS 0.6%CVE-2026-87986CRITICALCVE-2026-87986EPSS 0.6%CVE-2026-87985CRITICALCVE-2026-87985EPSS 0.6%
References
https://github.com/mistralai/mistral-vibehttps://github.com/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/session/session_logger.py#L137-L141https://github.com/mistralai/mistral-vibe/blob/v2.25.4/vibe/core/system_prompt.py#L51-L64https://github.com/mistralai/mistral-vibe/blob/v2.25.5/CHANGELOG.md?plain=1#L81https://github.com/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.5https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.5-on-windows-untrusted-search-path-rce-via-git-exe