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[GHSA-g4xw-jxrg-5f6m] The serialize function used to compile MDX in next-mdx...#6992

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[GHSA-g4xw-jxrg-5f6m] The serialize function used to compile MDX in next-mdx...#6992
dduzgun-security wants to merge 1 commit intodduzgun-security/advisory-improvement-6992from
dduzgun-security-GHSA-g4xw-jxrg-5f6m

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Updates

  • Affected products
  • Description
  • Source code location
  • Summary

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The details are not matching https://cveawg.mitre.org/api/cve/CVE-2026-0969

Copilot AI review requested due to automatic review settings February 20, 2026 22:36
@github-actions github-actions bot changed the base branch from main to dduzgun-security/advisory-improvement-6992 February 20, 2026 22:37
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Pull request overview

This pull request updates a security advisory for CVE-2026-0969, which describes an arbitrary code execution vulnerability in the next-mdx-remote npm package. The changes align the advisory with official CVE details from the MITRE CVE database.

Changes:

  • Added a summary field describing the vulnerability
  • Enhanced the details section to include CVE ID reference and fix version
  • Populated the affected packages section with version range information (4.3.0 to 6.0.0)
  • Added a package reference link to the GitHub repository

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"CVE-2026-0969"
],
"details": "The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content.",
"summary": "Arbitrary code execution in React server-side rendering of untrusted MDX content ",
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Copilot AI Feb 20, 2026

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The summary field has a trailing space at the end which should be removed. The text "Arbitrary code execution in React server-side rendering of untrusted MDX content " ends with an extra space character.

Suggested change
"summary": "Arbitrary code execution in React server-side rendering of untrusted MDX content ",
"summary": "Arbitrary code execution in React server-side rendering of untrusted MDX content",

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