Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026
Mistral Vibe < 2.23.3 Arbitrary Command Execution via git fsmonitor Hook
CVE-2026-67623
Description
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.
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Affected products
1- Range: <2.23.3
Patches
Vulnerability mechanics
References
6- github.com/mistralai/mistral-vibe/commit/68ff32e6a92e80a874c8153312f0aa8ae4955477mitrepatch
- www.vulncheck.com/advisories/mistral-vibe-arbitrary-command-execution-via-git-fsmonitor-hookmitrethird-party-advisory
- github.com/mistralai/mistral-vibe/releases/tag/v2.23.3mitrerelease-notes
- github.com/mistralai/mistral-vibe/issues/942mitre
- github.com/mistralai/mistral-vibe/pull/962mitre
- github.com/mistralai/mistral-vibe/pull/978mitre
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