What’s Vulnerable › Vulnerabilities

CVE-2026-116843: Mistral Vibe before 3.0.3 RCE via Git Filter Drivers in Worktree Mode

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-27 · updated 2026-10-27
• Weakness: CWE-829

Description

Mistral Vibe before 3.0.3 contains a remote code execution vulnerability that allows attackers to run commands by defining git filter drivers in an untrusted repository's .git/config. When started with --worktree, git worktree add applies .gitattributes and runs filter smudge, clean, or process commands before the trusted-folder check, executing attacker commands with user privileges.

Affected products

• mistralai mistral-vibe: before 3.0.3 — fixed in 3.0.3

How to fix

Upgrade to a fixed version: mistralai mistral-vibe 3.0.3. Check the vendor advisory for mitigations.

References

• https://github.com/mistralai/mistral-vibe/blob/v2.24.1/vibe/core/worktree.py#L303-L317
• https://github.com/mistralai/mistral-vibe/commit/7bb48f213ac677f943d5c791199ed3dddf302f00
• https://github.com/mistralai/mistral-vibe/issues/997
• https://github.com/mistralai/mistral-vibe/releases/tag/v3.0.3
• https://www.vulncheck.com/advisories/mistral-vibe-before-3.0.3-rce-via-git-filter-drivers-in-worktree-mode

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