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CVE-2026-87987

mistral-vibe · Vulnerability

CVSS 4.0 10.0 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-87987

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-87987

Published

mistral-vibe

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "mistralai",
                    "product": "mistral-vibe",
                    "repo": "https://github.com/mistralai/mistral-vibe",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.6.0",
                            "lessThanOrEqual": "*",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON