CVE-2026-93993

HIGH 8.8

Mistral Vibe before 2.25.5 Remote Code Execution via git post-checkout

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-829
Vendor	mistralai
Product	mistral-vibe
Published	Sep 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

mistralai / mistral-vibe

0 < 2.25.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/mistralai/mistral-vibe/issues/996 github.com: https://github.com/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553 github.com: https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.5 github.com: https://github.com/mistralai/mistral-vibe/blob/19b5b74faa78d0816b8d4d4c7d7543fc3520678c/vibe/core/git/repo.py#L411-L431 github.com: https://github.com/mistralai/mistral-vibe vulncheck.com: https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.5-remote-code-execution-via-git-post-checkout

Credits

Mathieu Farrell