Vulnerability · Published Sep 19, 2026 · Assigned by VulnCheck
CVE-2026-93993Mistral Vibe before 2.25.5 Remote Code Execution via git post-checkout
High 8.8
In plain English
A high-severity security flaw in mistral-vibe from mistralai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 44.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Mistral Vibe before 2.25.5 contains a remote code execution vulnerability in the worktree creation process that executes git hooks before trust validation. Attackers can supply a repository with a crafted post-checkout hook that executes arbitrary shell commands with the privileges of the user running Vibe.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mistralai | mistral-vibe | 0 – before 2.25.5 |
Weakness: CWE-829 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- GitHub Issue #996 issue-tracking
- https://github.com/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553 patch
- mistral-vibe v2.25.5 Release Notes release-notes
- add_worktree at v2.25.4 technical-description
- https://github.com/mistralai/mistral-vibe product
- VulnCheck Advisory: Mistral Vibe before 2.25.5 Remote Code Execution via git post-checkout third-party-advisory