CVE-2026-87986

Published: Sep 11, 2026Modified: Sep 11, 2026Deferred

10.0

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/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

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/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:XShow less

Source: 6f8de1f0-f67e-45a6-b68f-98777fdb759c (Secondary)

Description

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval.

Related CWEs

CWE-228

Improper Handling of Syntactically Invalid Structure

The product does not handle or incorrectly handles input that is not syntactically well-formed with respect to the associated specification.

References (1)

https://www.hiddenlayer.com/sai-security-advisory/2026-09-mistral-vibe4

Source: 6f8de1f0-f67e-45a6-b68f-98777fdb759c

Timeline

No history available yet.