CVE-2026-87988

CriticalCVSS 10.0/10Last modified Sep 11, 2026

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.

Metrics

CVSS 4.0 10.0/10CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-732

Affected software

VendorProductVersions
mistralaimistral-vibe>= 2.15.0, <= *

References

Timeline

Published
Sep 11, 2026
Last modified
Sep 11, 2026
NVD status
Deferred

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CVE-2026-87988: Critical severity, CVSS 10.0 | Vulnix