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CVE-2026-122135Mistral Vibe before 3.0.3 RCE via Repository-Configured gpg.program
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.
8.6 HIGHEPSS 0.46%Not in KEVNVD: Received
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.6 | HIGH | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 8.8 | HIGH | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-122135
- Status
- Received
- Assigner (CNA)
- VulnCheck
- Published
- Nov 4, 2026
- Last modified
- 2026-11-04 21:18 UTC
- Weaknesses
- CWE-829 · Inclusion of Functionality from Untrusted Control Sphere
Affected Products
As published by the CNA in the CVE record.
mistralaimistral-vibe1 version range
- before 3.0.3
References
- github.com https://github.com/mistralai/mistral-vibe
- github.com https://github.com/mistralai/mistral-vibe/blob/v3.0.2/vibe/core/system_prompt.py#L52-L67
- github.com https://github.com/mistralai/mistral-vibe/blob/v3.0.3/CHANGELOG.md?plain=1#L113
- github.com https://github.com/mistralai/mistral-vibe/commit/7bb48f213ac677f943d5c791199ed3dddf302f00
- github.com https://github.com/mistralai/mistral-vibe/releases/tag/v3.0.3
- vulncheck.com https://www.vulncheck.com/advisories/mistral-vibe-before-3.0.3-rce-via-repository-configured-gpg-program