CVE-2026-87988

CRITICAL CVSS 4.0: 10.0 EPSS 0.25%
Updated Sep 11, 2026
An
Parameter Value
CVSS 10.0 (CRITICAL)
Type CWE-732 (Incorrect Permission Assignment)
Vendor An
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0