GHSA-2j54-93q2-3hjq
TYPO3 CMS has Broken Access Control in Backend API
Quick fix
GHSA-2j54-93q2-3hjq — typo3/cms-core: upgrade to the fixed version with the command below.
composer require typo3/cms-core:^10.4.57Details
### 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 * [TYPO3-CORE-SA-2026-015](https://typo3.org/security/advisory/typo3-core-sa-2026-015)
Are you affected?
Enter the version of the package you're using.
Affected packages
0Fixed in: 10.4.57composer require typo3/cms-core:^10.4.5711.0.0Fixed in: 11.5.51composer require typo3/cms-core:^11.5.5112.0.0Fixed in: 12.4.46composer require typo3/cms-core:^12.4.4613.0.0Fixed in: 13.4.31composer require typo3/cms-core:^13.4.3114.0.0Fixed in: 14.3.3composer require typo3/cms-core:^14.3.30Fixed in: 10.4.57composer require typo3/cms-backend:^10.4.5711.0.0Fixed in: 11.5.51composer require typo3/cms-backend:^11.5.5112.0.0Fixed in: 12.4.46composer require typo3/cms-backend:^12.4.4613.0.0Fixed in: 13.4.31composer require typo3/cms-backend:^13.4.3114.0.0Fixed in: 14.3.3composer require typo3/cms-backend:^14.3.3References
- https://github.com/TYPO3/typo3/security/advisories/GHSA-2j54-93q2-3hjq[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2026-47352[ADVISORY]
- https://github.com/TYPO3/typo3/commit/17a3b7830d5931725db5fdab0cfc76d479884c96[WEB]
- https://github.com/TYPO3/typo3/commit/bfe7c354168f467726020ed49299dd209a455719[WEB]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47352.yaml[WEB]
- https://github.com/TYPO3/typo3[PACKAGE]
- https://typo3.org/security/advisory/typo3-core-sa-2026-015[WEB]