GHSA-2j54-93q2-3hjqMedium

TYPO3 CMS has Broken Access Control in Backend API

Published
June 12, 2026
Last Modified
June 12, 2026

🔗 CVE IDs covered (1)

📋 Description

Problem

Authenticated backend users were able to retrieve file metadata via several Backend API routes without proper permission checks, allowing access to files outside their permitted file mounts or storages.

Solution

Update to TYPO3 versions 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.

Credits

TYPO3 CMS thanks Phong Lan for reporting this issue, and to TYPO3 core & security team member Oliver Hader for fixing it.

Resources

🎯 Affected products10

  • composer/typo3/cms-core:< 10.4.57
  • composer/typo3/cms-core:>= 11.0.0, < 11.5.51
  • composer/typo3/cms-core:>= 12.0.0, < 12.4.46
  • composer/typo3/cms-core:>= 13.0.0, < 13.4.31
  • composer/typo3/cms-core:>= 14.0.0, < 14.3.3
  • composer/typo3/cms-backend:< 10.4.57
  • composer/typo3/cms-backend:>= 11.0.0, < 11.5.51
  • composer/typo3/cms-backend:>= 12.0.0, < 12.4.46
  • composer/typo3/cms-backend:>= 13.0.0, < 13.4.31
  • composer/typo3/cms-backend:>= 14.0.0, < 14.3.3

🔗 References (7)