CVE-2026-47352

TYPO3 CMS - Broken Access Control in Backend API

State: Published
Severity: 5.3 Medium
Published: Jun 9, 2026
Updated: Jul 15, 2026
Reserved: May 19, 2026

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, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	TYPO3

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
TYPO3 CMSTYPO3	before 10.4.57Affected 11.0.0 to before 11.5.51Affected 12.0.0 to before 12.4.46Affected 13.0.0 to before 13.4.31Affected 14.0.0 to before 14.3.3Affected

References

https://typo3.org/security/advisory/typo3-core-sa-2026-015vendor-advisory
Git commit of main branchpatch
Git commit of 13.4 branchpatch

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