Unrated severityNVD Advisory· Published Sep 21, 2026

CVE-2026-78847

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.

Patches

Vulnerability mechanics

References

blog.checo.cc/en/posts/Security/1nvd
github.com/jonschlinkert/gray-matter/issues/112nvd
github.com/jonschlinkert/gray-matter/issues/131nvd
github.com/jonschlinkert/gray-matter/issues/182nvd

News mentions

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