Description
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. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.51, 12.0.0-12.4.46, 13.0.0-13.4.31 and 14.0.0-14.3.3.
Problem types
Product status
Any version before 10.4.57
11.0.0 (semver) before 11.5.51
12.0.0 (semver) before 12.4.46
13.0.0 (semver) before 13.4.31
14.0.0 (semver) before 14.3.3
Credits
Phong Lan
Oliver Hader
References
typo3.org/security/advisory/typo3-core-sa-2026-015
github.com/...ommit/bfe7c354168f467726020ed49299dd209a455719 (Git commit of main branch)
github.com/...ommit/17a3b7830d5931725db5fdab0cfc76d479884c96 (Git commit of 13.4 branch)