Arbitrary Code Injection Affecting next-mdx-remote package, versions >=4.3.0 <6.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-NEXTMDXREMOTE-15282839
- published15 Feb 2026
- disclosed12 Feb 2026
- creditUnknown
Introduced: 12 Feb 2026
CVE-2026-0969 (opens in a new tab)How to fix?
Upgrade next-mdx-remote to version 6.0.0 or higher.
Overview
next-mdx-remote is an utilities for loading mdx from any remote source as data, rather than as a local import
Affected versions of this package are vulnerable to Arbitrary Code Injection via the serialize function. An attacker can execute arbitrary code by submitting specially crafted MDX content during server-side rendering.