High severity · published Sep 19, 2026
CVE-2026-93993
Mistral Vibe before 2.25.5 Remote Code Execution via git post-checkout
8.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
mistral-vibe · mistralai
before 2.25.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93993
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93993
github.com
https://github.com/mistralai/mistral-vibe
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/commit/c069ffa1e12fb5f2487b489217c40ab97721d553
github.com
https://github.com/mistralai/mistral-vibe/issues/996
github.com
https://github.com/mistralai/mistral-vibe/releases/tag/v2.25.5
www.vulncheck.com
https://www.vulncheck.com/advisories/mistral-vibe-before-2.25.5-remote-code-execution-via-git-post-checkout
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