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OpenAdvisories
Medium · 5.3 CVE-2026-47352 EUVD-2026-35399GHSA-2j54-93q2-3hjq

TYPO3 CMS - Broken Access Control in Backend API

Published Jun 9, 2026 · Updated Jul 15, 2026 · Assigned by TYPO3

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.

Affected products

VendorProductAffectedFixed
TYPO3 TYPO3 CMS < 10.4.57, 11.0.0 – < 11.5.51, 12.0.0 – < 12.4.46, 13.0.0 – < 13.4.31, 14.0.0 – < 14.3.3 10.4.57

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist typo3/cms-backend < 10.4.57 10.4.57 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-backend >= 11.0.0, < 11.5.51 11.5.51 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-backend >= 12.0.0, < 12.4.46 12.4.46 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-backend >= 13.0.0, < 13.4.31 13.4.31 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-backend >= 14.0.0, < 14.3.3 14.3.3 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-core < 10.4.57 10.4.57 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-core >= 11.0.0, < 11.5.51 11.5.51 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-core >= 12.0.0, < 12.4.46 12.4.46 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-core >= 13.0.0, < 13.4.31 13.4.31 GHSA-2j54-93q2-3hjq
Packagist typo3/cms-core >= 14.0.0, < 14.3.3 14.3.3 GHSA-2j54-93q2-3hjq

Advisories 1

References