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CVE-2026-0969
CVE-2026-0969
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.
Published Feb 12, 2026
https://discuss.hashicorp.com/t/hcsec-2026-01-arbitrary-code-execution-in-react-server-side-rendering-of-untrusted-mdx-content/77155
CVSS Score
High
8.8
Components Impacted
Components Impacted
Security Details
Security Details
Sonatype Research
Sonatype Research
Ecosystem
Package
Version
Ecosystem
Package
Version
npm
next-mdx-remote
4.3.0
npm
next-mdx-remote
4.4.0
npm
next-mdx-remote
4.4.1
npm
next-mdx-remote
5.0.0
1-4 of 4
CVE-2026-0969 | Components Impacted | Sonatype Guide | Sonatype Guide
