Vulnerability advisory

GHSA-2j54-93q2-3hjq

TYPO3 CMS has Broken Access Control in Backend API

Published Jun 12, 2026Updated Sep 10, 2026OSV record ↗

Also known as CVE-2026-47352

Severity

CVSS 4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected versions

typo3/cms-core Packagist

All typo3/cms-core advisories →

Affected	Fixed in
All versions before 10.4.57	`10.4.57`Advisories →
Also listed as affected (110) `v10.0.0` `v10.1.0` `v10.2.0` `v10.2.1` `v10.2.2` `v10.3.0` `v10.4.0` `v10.4.1` `v10.4.10` `v10.4.11` `v10.4.12` `v10.4.13` `v10.4.14` `v10.4.15` `v10.4.16` `v10.4.17` `v10.4.18` `v10.4.19` `v10.4.2` `v10.4.20` `v10.4.21` `v10.4.22` `v10.4.23` `v10.4.24` `v10.4.25` `v10.4.26` `v10.4.27` `v10.4.28` `v10.4.29` `v10.4.3` `v10.4.30` `v10.4.31` `v10.4.32` `v10.4.33` `v10.4.34` `v10.4.36` `v10.4.37` `v10.4.4` `v10.4.5` `v10.4.6` `v10.4.7` `v10.4.8` `v10.4.9` `v8.7.10` `v8.7.11` `v8.7.12` `v8.7.13` `v8.7.14` `v8.7.15` `v8.7.16` `v8.7.17` `v8.7.18` `v8.7.19` `v8.7.20` `v8.7.21` `v8.7.22` `v8.7.23` `v8.7.24` `v8.7.25` `v8.7.26` `v8.7.27` `v8.7.28` `v8.7.29` `v8.7.30` `v8.7.31` `v8.7.32` `v8.7.7` `v8.7.8` `v8.7.9` `v9.0.0` `v9.1.0` `v9.2.0` `v9.2.1` `v9.3.0` `v9.3.1` `v9.3.2` `v9.3.3` `v9.4.0` `v9.5.0` `v9.5.1` `v9.5.10` `v9.5.11` `v9.5.12` `v9.5.13` `v9.5.14` `v9.5.15` `v9.5.16` `v9.5.17` `v9.5.18` `v9.5.19` `v9.5.2` `v9.5.20` `v9.5.21` `v9.5.22` `v9.5.23` `v9.5.24` `v9.5.25` `v9.5.26` `v9.5.27` `v9.5.28` `v9.5.29` `v9.5.3` `v9.5.30` `v9.5.31` `v9.5.4` `v9.5.5` `v9.5.6` `v9.5.7` `v9.5.8` `v9.5.9`
`11.0.0` to before 11.5.51	`11.5.51`Advisories →
Also listed as affected (51) `v11.0.0` `v11.1.0` `v11.1.1` `v11.2.0` `v11.3.0` `v11.3.1` `v11.3.2` `v11.3.3` `v11.4.0` `v11.5.0` `v11.5.1` `v11.5.10` `v11.5.11` `v11.5.12` `v11.5.13` `v11.5.14` `v11.5.15` `v11.5.16` `v11.5.17` `v11.5.18` `v11.5.19` `v11.5.2` `v11.5.20` `v11.5.21` `v11.5.22` `v11.5.23` `v11.5.24` `v11.5.25` `v11.5.26` `v11.5.27` `v11.5.28` `v11.5.29` `v11.5.3` `v11.5.30` `v11.5.31` `v11.5.32` `v11.5.33` `v11.5.34` `v11.5.35` `v11.5.36` `v11.5.37` `v11.5.38` `v11.5.39` `v11.5.4` `v11.5.40` `v11.5.41` `v11.5.5` `v11.5.6` `v11.5.7` `v11.5.8` `v11.5.9`
`12.0.0` to before 12.4.46	`12.4.46`Advisories →
Also listed as affected (53) `v12.0.0` `v12.1.0` `v12.1.1` `v12.1.2` `v12.1.3` `v12.2.0` `v12.3.0` `v12.4.0` `v12.4.1` `v12.4.10` `v12.4.11` `v12.4.12` `v12.4.13` `v12.4.14` `v12.4.15` `v12.4.16` `v12.4.17` `v12.4.18` `v12.4.19` `v12.4.2` `v12.4.20` `v12.4.21` `v12.4.22` `v12.4.23` `v12.4.24` `v12.4.25` `v12.4.26` `v12.4.27` `v12.4.28` `v12.4.29` `v12.4.3` `v12.4.30` `v12.4.31` `v12.4.32` `v12.4.33` `v12.4.34` `v12.4.35` `v12.4.36` `v12.4.37` `v12.4.38` `v12.4.39` `v12.4.4` `v12.4.40` `v12.4.41` `v12.4.42` `v12.4.43` `v12.4.44` `v12.4.45` `v12.4.5` `v12.4.6` `v12.4.7` `v12.4.8` `v12.4.9`
`13.0.0` to before 13.4.31	`13.4.31`Advisories →
Also listed as affected (39) `v13.0.0` `v13.0.1` `v13.1.0` `v13.1.1` `v13.2.0` `v13.2.1` `v13.3.0` `v13.3.1` `v13.4.0` `v13.4.1` `v13.4.10` `v13.4.11` `v13.4.12` `v13.4.13` `v13.4.14` `v13.4.15` `v13.4.16` `v13.4.17` `v13.4.18` `v13.4.19` `v13.4.2` `v13.4.20` `v13.4.21` `v13.4.22` `v13.4.23` `v13.4.24` `v13.4.25` `v13.4.26` `v13.4.27` `v13.4.28` `v13.4.29` `v13.4.3` `v13.4.30` `v13.4.4` `v13.4.5` `v13.4.6` `v13.4.7` `v13.4.8` `v13.4.9`
`14.0.0` to before 14.3.3	`14.3.3`Advisories →
Also listed as affected (9) `v14.0.0` `v14.0.1` `v14.0.2` `v14.1.0` `v14.1.1` `v14.2.0` `v14.3.0` `v14.3.1` `v14.3.2`

typo3/cms-backend Packagist

All typo3/cms-backend advisories →

Affected	Fixed in
All versions before 10.4.57	`10.4.57`Advisories →
Also listed as affected (110) `v10.0.0` `v10.1.0` `v10.2.0` `v10.2.1` `v10.2.2` `v10.3.0` `v10.4.0` `v10.4.1` `v10.4.10` `v10.4.11` `v10.4.12` `v10.4.13` `v10.4.14` `v10.4.15` `v10.4.16` `v10.4.17` `v10.4.18` `v10.4.19` `v10.4.2` `v10.4.20` `v10.4.21` `v10.4.22` `v10.4.23` `v10.4.24` `v10.4.25` `v10.4.26` `v10.4.27` `v10.4.28` `v10.4.29` `v10.4.3` `v10.4.30` `v10.4.31` `v10.4.32` `v10.4.33` `v10.4.34` `v10.4.36` `v10.4.37` `v10.4.4` `v10.4.5` `v10.4.6` `v10.4.7` `v10.4.8` `v10.4.9` `v8.7.10` `v8.7.11` `v8.7.12` `v8.7.13` `v8.7.14` `v8.7.15` `v8.7.16` `v8.7.17` `v8.7.18` `v8.7.19` `v8.7.20` `v8.7.21` `v8.7.22` `v8.7.23` `v8.7.24` `v8.7.25` `v8.7.26` `v8.7.27` `v8.7.28` `v8.7.29` `v8.7.30` `v8.7.31` `v8.7.32` `v8.7.7` `v8.7.8` `v8.7.9` `v9.0.0` `v9.1.0` `v9.2.0` `v9.2.1` `v9.3.0` `v9.3.1` `v9.3.2` `v9.3.3` `v9.4.0` `v9.5.0` `v9.5.1` `v9.5.10` `v9.5.11` `v9.5.12` `v9.5.13` `v9.5.14` `v9.5.15` `v9.5.16` `v9.5.17` `v9.5.18` `v9.5.19` `v9.5.2` `v9.5.20` `v9.5.21` `v9.5.22` `v9.5.23` `v9.5.24` `v9.5.25` `v9.5.26` `v9.5.27` `v9.5.28` `v9.5.29` `v9.5.3` `v9.5.30` `v9.5.31` `v9.5.4` `v9.5.5` `v9.5.6` `v9.5.7` `v9.5.8` `v9.5.9`
`11.0.0` to before 11.5.51	`11.5.51`Advisories →
Also listed as affected (51) `v11.0.0` `v11.1.0` `v11.1.1` `v11.2.0` `v11.3.0` `v11.3.1` `v11.3.2` `v11.3.3` `v11.4.0` `v11.5.0` `v11.5.1` `v11.5.10` `v11.5.11` `v11.5.12` `v11.5.13` `v11.5.14` `v11.5.15` `v11.5.16` `v11.5.17` `v11.5.18` `v11.5.19` `v11.5.2` `v11.5.20` `v11.5.21` `v11.5.22` `v11.5.23` `v11.5.24` `v11.5.25` `v11.5.26` `v11.5.27` `v11.5.28` `v11.5.29` `v11.5.3` `v11.5.30` `v11.5.31` `v11.5.32` `v11.5.33` `v11.5.34` `v11.5.35` `v11.5.36` `v11.5.37` `v11.5.38` `v11.5.39` `v11.5.4` `v11.5.40` `v11.5.41` `v11.5.5` `v11.5.6` `v11.5.7` `v11.5.8` `v11.5.9`
`12.0.0` to before 12.4.46	`12.4.46`Advisories →
Also listed as affected (53) `v12.0.0` `v12.1.0` `v12.1.1` `v12.1.2` `v12.1.3` `v12.2.0` `v12.3.0` `v12.4.0` `v12.4.1` `v12.4.10` `v12.4.11` `v12.4.12` `v12.4.13` `v12.4.14` `v12.4.15` `v12.4.16` `v12.4.17` `v12.4.18` `v12.4.19` `v12.4.2` `v12.4.20` `v12.4.21` `v12.4.22` `v12.4.23` `v12.4.24` `v12.4.25` `v12.4.26` `v12.4.27` `v12.4.28` `v12.4.29` `v12.4.3` `v12.4.30` `v12.4.31` `v12.4.32` `v12.4.33` `v12.4.34` `v12.4.35` `v12.4.36` `v12.4.37` `v12.4.38` `v12.4.39` `v12.4.4` `v12.4.40` `v12.4.41` `v12.4.42` `v12.4.43` `v12.4.44` `v12.4.45` `v12.4.5` `v12.4.6` `v12.4.7` `v12.4.8` `v12.4.9`
`13.0.0` to before 13.4.31	`13.4.31`Advisories →
Also listed as affected (38) `v13.0.0` `v13.0.1` `v13.1.0` `v13.1.1` `v13.2.1` `v13.3.0` `v13.3.1` `v13.4.0` `v13.4.1` `v13.4.10` `v13.4.11` `v13.4.12` `v13.4.13` `v13.4.14` `v13.4.15` `v13.4.16` `v13.4.17` `v13.4.18` `v13.4.19` `v13.4.2` `v13.4.20` `v13.4.21` `v13.4.22` `v13.4.23` `v13.4.24` `v13.4.25` `v13.4.26` `v13.4.27` `v13.4.28` `v13.4.29` `v13.4.3` `v13.4.30` `v13.4.4` `v13.4.5` `v13.4.6` `v13.4.7` `v13.4.8` `v13.4.9`
`14.0.0` to before 14.3.3	`14.3.3`Advisories →
Also listed as affected (9) `v14.0.0` `v14.0.1` `v14.0.2` `v14.1.0` `v14.1.1` `v14.2.0` `v14.3.0` `v14.3.1` `v14.3.2`

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

TYPO3-CORE-SA-2026-015