MEDIUM
GHSA-qcmw-6rm2-5x78
TYPO3 CMS has Broken Access Control in its DataHandler
Quick fix
GHSA-qcmw-6rm2-5x78 — typo3/cms-core: upgrade to the fixed version with the command below.
composer require typo3/cms-core:^13.4.31Details
### Problem Backend users were able to move records to a different page without having edit permissions on the source page.
### Solution Update to TYPO3 versions 13.4.31 LTS, 14.3.3 LTS that fix the problem described.
### Credits TYPO3 CMS thanks Hyunseo Shin for reporting this issue, and TYPO3 security team member Torben Hansen for fixing it.
### Resources * [TYPO3-CORE-SA-2026-012](https://typo3.org/security/advisory/typo3-core-sa-2026-012)
Are you affected?
Enter the version of the package you're using.
Affected packages
Packagist/typo3/cms-core
Introduced in:
13.0.0Fixed in: 13.4.31Fix
composer require typo3/cms-core:^13.4.31Packagist/typo3/cms-core
Introduced in:
14.0.0Fixed in: 14.3.3Fix
composer require typo3/cms-core:^14.3.3References
- https://github.com/TYPO3/typo3/security/advisories/GHSA-qcmw-6rm2-5x78[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2026-47350[ADVISORY]
- https://github.com/TYPO3/typo3/commit/195356996a60e40aeb2cd3e45a5f5c8940d5e116[WEB]
- https://github.com/TYPO3/typo3/commit/c9898d2e67608eda78f8bd1f06ee9cf05a872a56[WEB]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47350.yaml[WEB]
- https://github.com/TYPO3/typo3[PACKAGE]
- https://typo3.org/security/advisory/typo3-core-sa-2026-012[WEB]