CVE-2026-0969CWE-94

Arbitrary code execution in React server-side rendering of untrusted MDX content

High · published February 12, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
50.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00648 · 50.4th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-02-12T01:35Z
EPSS history
Timeline
  • 12 FEB 01:35Z
    Arbitrary code execution in React server-side rendering of untrusted MDX content
    cvelistv5