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CVE-2026-87986

mistral-vibe · Vulnerability

CVSS 4.0 10.0 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-87986

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-87986

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": "1.3.4",
                            "lessThanOrEqual": "*",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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