NVD security advisoryHigh
High advisory for Mistral Vibe
CVE-2026-122135 · Reported 4 Nov 2026
Full advisory details, affected packages, severity context, and original source.
Affected technology
Mistral VibeAffected product
Advisory overview
Mistral Vibe before 3.0.3 contains a remote code execution vulnerability that allows attackers to run commands by abusing repository-configured gpg.program during project context collection. A crafted repository setting gpg.program and log.showSignature with a signed commit makes git log execute the attacker's program at session start, before any trust prompt.
Related references
- https://github.com/mistralai/mistral-vibe
- https://github.com/mistralai/mistral-vibe/blob/v3.0.2/vibe/core/system_prompt.py#L52-L67
- https://github.com/mistralai/mistral-vibe/blob/v3.0.3/CHANGELOG.md?plain=1#L113
- https://github.com/mistralai/mistral-vibe/commit/7bb48f213ac677f943d5c791199ed3dddf302f00
- https://github.com/mistralai/mistral-vibe/releases/tag/v3.0.3
- https://www.vulncheck.com/advisories/mistral-vibe-before-3.0.3-rce-via-repository-configured-gpg-program
