CVE-2026-67623
Mistral Vibe < 2.23.3 Arbitrary Command Execution via git fsmonitor Hook
- State
- Published
- Severity
- 8.6 High
- Published
- Aug 5, 2026
- Updated
- Aug 6, 2026
- Reserved
- Jul 29, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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 | 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 | VulnCheck |
Weaknesses
- CWE-829 Inclusion of Functionality from Untrusted Control Sphere
Affected Products
| Product | Versions |
|---|---|
mistral-vibemistralai |
|
References
- Researcher Blogtechnical-descriptionexploit
- Researcher Disclosuretechnical-descriptionexploit
- Release Notesrelease-notes
- Pull Request (1)issue-tracking
- Pull Request (2)issue-tracking
- Patch Commitpatch
- https://www.vulncheck.com/advisories/mistral-vibe-arbitrary-command-execution-via-git-fsmonitor-hookthird-party-advisory
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