GHSA-g4xw-jxrg-5f6m
next-mdx-remote affected by arbitrary code execution in React server-side rendering of untrusted MDX content
At a glance
- Published
- Updated
- CVE
- CVE-2026-0969
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Affected packages
| Package | Versions |
|---|---|
| npm · next-mdx-remote | introduced 4.3.0, fixed 6.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-0969 ADVISORY
- https://github.com/hashicorp/next-mdx-remote/commit/4d527fdcaed911b87f427d0b4d3c711e817fa4b3 WEB
- https://discuss.hashicorp.com/t/hcsec-2026-01-arbitrary-code-execution-in-react-server-side-rendering-of-untrusted-mdx-content/77155 WEB
- https://github.com/hashicorp/next-mdx-remote PACKAGE
- https://github.com/hashicorp/next-mdx-remote/releases/tag/v6.0.0 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |