IA Squad
SearchPT
php · typo3/cms-coreHeads-up

typo3/cms-core: Missing read permission check in clipboard allows unauthorized data access

Backend users could insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, allowing unauthorized information gatheri

13 Jun 2026Read 1 minSeverity: schedule it

What changed

Backend users could insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, allowing unauthorized information gathering.

Who it affects

Users of TYPO3 CMS versions before 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS.

What to do today

Update to the latest patched version: 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, or 14.3.3 LTS.

The trail
Collected Audited Written Published