CVE-2026-78847

CriticalCVSS 9.8/10Last modified Sep 22, 2026

Description

An issue in gray-matter All versions (verified on 4.0.3) allows the JavaScript engine in lib/engines.js using eval() to parse front matter when language is js/javascript.This allows arbitrary code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-95

Affected software

No affected versions have been published.

Timeline

Published: Sep 21, 2026
Last modified: Sep 22, 2026
NVD status: Deferred

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