CVEvulnerability

CVE-2026-87987

10.0 CRITICAL Published 2026-09-11 Modified 2026-09-11 Official page ↗
Status
Deferred
Published
2026-09-11
Last modified
2026-09-11
Assigner
6f8de1f0-f67e-45a6-b68f-98777fdb759c
CVSS 4.0 (6f8de1f0-f67e-45a6-b68f-98777fdb759c)
10.0 CRITICAL — 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
Weaknesses
CWE-15

Description

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.

Related

Weakness · CWE (1)

  • CWE-15 External Control of System or Configuration Setting weakness

References