CVE-2026-87983

Arbitrary File Read via Quoted Absolute Paths in Mistral Vibe 2.6.0

Published Sep 11, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
An arbitrary file read vulnerability in Mistral Vibe, introduced in version 2.6.0, allows an attacker to bypass workspace restrictions using quoted absolute paths in allowlisted shell commands. Improper handling of quotation marks during path validation enables files outside the active workspace to be read 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 Arbitrary File Read via Quoted Absolute Paths in Mistral Vibe 2.6.0
Metrics ssvc

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

Type Values Removed Values Added
Description An arbitrary file read vulnerability in Mistral Vibe, introduced in version 2.6.0, allows an attacker to bypass workspace restrictions using quoted absolute paths in allowlisted shell commands. Improper handling of quotation marks during path validation enables files outside the active workspace to be read without user approval.
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}

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