CVE-2026-87985

Arbitrary Code Execution via ANSI-C Quoted Argument Bypass in Mistral Vibe

Published Sep 11, 2026 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Description
An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mistral
Mistral mistral-vibe
Vendors & Products Mistral
Mistral mistral-vibe
Type Values Removed Values Added
Title Arbitrary Code Execution via ANSI-C Quoted Argument Bypass in Mistral Vibe
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using ANSI-C quoted arguments. These arguments are not properly inspected, enabling a crafted allowlisted command to execute arbitrary code on the user's system without approval.
Weaknesses CWE-184
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
HiddenLayer
Published
Updated
Sep 11, 2026, 2:57 PM
Reserved
Sep 9, 2026, 7:14 PM
Status
Deferred
Published
Sep 11, 2026, 3:17 PM
Modified
Sep 11, 2026, 5:35 PM