Description
Backend users were able to insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, which allowed users to gather information about records and files they were not authorized to view. This issue affects TYPO3 CMS versions 10.4.0-13.4.30 and 14.0.0-14.3.2.
Problem types
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Product status
10.4.0 (semver) before 13.4.31
14.0.0 (semver) before 14.3.3
Credits
Vincent Yang
Elias Häußler
References
typo3.org/security/advisory/typo3-core-sa-2026-014
github.com/...ommit/932fbb9fcea25094e8bcc0f0ec5aab56b1d92451 (Git commit of main branch)
github.com/...ommit/2740707563343d78184c0b7c6303a7484553d7f3 (Git commit of 13.4 branch)