CVE-2026-67623: high-severity vulnerability in mistralai mistral-vibe
Mistral Vibe < 2.23.3 Arbitrary Command Execution via git fsmonitor Hook
Published · Updated
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41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.6epss 1.1%
Mistral Vibe before 2.23.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary commands by embedding a malicious core.fsmonitor hook in a repository's .git/config file, which is triggered when vibe invokes git status --porcelain without suppressing hook execution. Attackers can distribute or create a crafted repository containing a malicious fsmonitor entry to achieve arbitrary command execution with the victim's full privileges when any vibe command is run inside that repository.
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-vibepublic PoCs found — 2
cve_referencetherealcoiffeur.com/c111011.htmlunverifiedcve_referencegithub.com/mistralai/mistral-vibe/issues/942unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — mistralai mistral-vibe
In the same product, most dangerous first.
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%CVE-2026-109429HIGHMistral Vibe < 2.25.4 Bash Permission Bypass via ${var@P} Prompt-TransformEPSS 0.6%
References
https://github.com/mistralai/mistral-vibe/commit/68ff32e6a92e80a874c8153312f0aa8ae4955477https://github.com/mistralai/mistral-vibe/issues/942https://github.com/mistralai/mistral-vibe/pull/962https://github.com/mistralai/mistral-vibe/pull/978https://github.com/mistralai/mistral-vibe/releases/tag/v2.23.3https://therealcoiffeur.com/c111011.htmlhttps://www.vulncheck.com/advisories/mistral-vibe-arbitrary-command-execution-via-git-fsmonitor-hook