CVE-2026-87988

Unrestricted File Access via Unvalidated Commands in Mistral Vibe

Published Sep 11, 2026 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Description
An arbitrary file access vulnerability in Mistral Vibe allows an attacker to bypass workspace restrictions through commands classified as unconditionally allowed. Missing path validation for these commands enables access to files outside the active workspace without user 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 Unrestricted File Access via Unvalidated Commands 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 file access vulnerability in Mistral Vibe allows an attacker to bypass workspace restrictions through commands classified as unconditionally allowed. Missing path validation for these commands enables access to files outside the active workspace without user approval.
Weaknesses CWE-732
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, 3:00 PM
Reserved
Sep 9, 2026, 7:14 PM
Status
Deferred
Published
Sep 11, 2026, 3:17 PM
Modified
Sep 11, 2026, 5:35 PM