An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.

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History

Fri, 11 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
Description An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.
Weaknesses CWE-15
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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: HiddenLayer

Published:

Updated: 2026-09-11T14:59:37.174Z

Reserved: 2026-09-09T19:14:18.451Z

Link: CVE-2026-87987

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-09-11T15:17:07.793

Modified: 2026-09-11T15:17:07.793

Link: CVE-2026-87987

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses