TYPO3 CMS - Broken Access Control in Backend API
CVE-2026-47352

5.3MEDIUM

Key Information:

Vendor

Typo3

Status
Typo3 Cms
Vendor
CVE Published:
9 June 2026

What is CVE-2026-47352?

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.

Affected Version(s)

TYPO3 CMS 0 < 10.4.57

TYPO3 CMS 11.0.0 < 11.5.51

TYPO3 CMS 12.0.0 < 12.4.46

References

https://typo3.org/security/advisory/typo3-core-sa-2026-015
vendor-advisory
https://github.com/TYPO3/typo3/commit/bfe7c354168f4677260...
patch
https://github.com/TYPO3/typo3/commit/17a3b7830d5931725db...
patch

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phong Lan
Oliver Hader
.