CVE-2026-0969 HIGH

CVE-2026-0969: Arbitrary code execution in React server-side rendering of untrusted MDX content

Vendor Hashicorp
Product Shared library
Weakness CWE-94 · Code injection
Published February 12, 2026
Last update April 17, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 12, 2026 CVE published
April 17, 2026 Record updated