Vulnerability in Mistralai Mistral-Vibe
CVE-2026-122134
Mistral Vibe before 2.25.7 contains a remote code execution vulnerability that allows attackers to run commands by configuring malicious Git clean or process filter drivers in a repository. When a user opens a crafted repository, ProjectContextProvider._fetch_git_status runs git status at startup, invoking the filters and executing commands with user privileges before any trust prompt.
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/mistralai/mistral-vibe (product)
- github.com/mistralai/mistral-vibe/blob/v2.25.5/vibe/core/system_prompt.py (technical-description)
- github.com/mistralai/mistral-vibe/blob/v2.25.7/CHANGELOG.md (release-notes)
- Patch Commit (patch)
- mistral-vibe v2.25.7 Release Notes (release-notes)
- VulnCheck Advisory: Mistral Vibe before 2.25.7 Code Execution via Git Filter Drivers (third-party-advisory)
Frequently asked questions
- What is CVE-2026-122134?
- CVE-2026-122134 is a high-severity vulnerability in Mistralai Mistral-Vibe, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.8/10. Published 2026-11-04.
- How severe is CVE-2026-122134?
- High severity. CVSS v3 base score is 8.8 out of 10.