CVE-2026-93993

EUVD-2026-83621
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 47.62%
Common Weakness Enumeration
References
https://github.com/mistralai/mistral-vibe
https://github.com/mistralai/mistral-vibe/blob/19b5b74faa78d0816b8d4d4c7d7543fc3520678c/vibe/core/git/repo.py#L411-L431
https://github.com/mistralai/mistral-vibe/commit/c069ffa1e12fb5f2487b489217c40ab97721d553
https://github.com/mistralai/mistral-vibe/issues/996
https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.5
https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.5-remote-code-execution-via-git-post-checkout