High severity8.8NVD Advisory· Published Nov 4, 2026
CVE-2026-122135
CVE-2026-122135
Description
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.
Affected products
1- Range: <3.0.3
Patches
Vulnerability mechanics
References
5- github.com/mistralai/mistral-vibe/blob/v3.0.2/vibe/core/system_prompt.pynvd
- github.com/mistralai/mistral-vibe/blob/v3.0.3/CHANGELOG.mdnvd
- github.com/mistralai/mistral-vibe/commit/7bb48f213ac677f943d5c791199ed3dddf302f00nvd
- github.com/mistralai/mistral-vibe/releases/tag/v3.0.3nvd
- www.vulncheck.com/advisories/mistral-vibe-before-3.0.3-rce-via-repository-configured-gpg-programnvd
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