CVE-2026-0969

High

Description

The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0.

SeverityHigh
CVSS8.8
Exploit probability—
ProductNext-mdx-remote
PublishedFeb 12, 2026
First seenFeb 12, 2026

How to fix

Update
  • next-mdx-remote6.0.0 or later

Affected products

ProductAffected versionsFixed in
next-mdx-remotenpm4.3.0 ≤ v < 6.0.06.0.0

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