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.
https://typo3.org/security/advisory/typo3-core-sa-2026-014
https://github.com/TYPO3/typo3/commit/932fbb9fcea25094e8bcc0f0ec5aab56b1d92451
https://github.com/TYPO3/typo3/commit/2740707563343d78184c0b7c6303a7484553d7f3
Published: 2026-06-09
Updated: 2026-06-09
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00036