What’s Vulnerable › Vulnerabilities

CVE-2026-93993: Mistral Vibe before 2.25.5 Remote Code Execution via git post-checkout

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-19 · updated 2026-09-22
• Weakness: CWE-829

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

• mistralai mistral-vibe: before 2.25.5 — fixed in 2.25.5

How to fix

Upgrade to a fixed version: mistralai mistral-vibe 2.25.5. Check the vendor advisory for mitigations.

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
• https://github.com/mistralai/mistral-vibe/issues/996

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