MediumGHSA-qcmw-6rm2-5x78CVE-2026-47350
TYPO3 CMS has Broken Access Control in its DataHandler
Published 12 Jun 2026 · Updated 10 Sept 2026
Affected packages
typo3/cms-coreComposer
- Affected
- >=13.0.0 <13.4.31
- Fixed in
- 13.4.31
Update to the fixed version for your release line, for example:
composer require typo3/cms-core:^13.4.31typo3/cms-coreComposer
- Affected
- >=14.0.0 <14.3.3
- Fixed in
- 14.3.3
Update to the fixed version for your release line, for example:
composer require typo3/cms-core:^14.3.3Details
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
Is GHSA-qcmw-6rm2-5x78 in any of your client repos?
Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected typo3/cms-core, and gives you the command that fixes it.
References
- Linkgithub.com/TYPO3/typo3/security/advisories/GHSA-qcmw-6rm2-5x78
- Advisorynvd.nist.gov/vuln/detail/CVE-2026-47350
- Linkgithub.com/TYPO3/typo3/commit/195356996a60e40aeb2cd3e45a5f5c8940d5e116
- Linkgithub.com/TYPO3/typo3/commit/c9898d2e67608eda78f8bd1f06ee9cf05a872a56
- Linkgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47350.yaml
- Packagegithub.com/TYPO3/typo3
- Linktypo3.org/security/advisory/typo3-core-sa-2026-012
Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.