Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.
https://typo3.org/security/advisory/typo3-core-sa-2026-007
https://github.com/TYPO3/typo3/commit/ac4125aef8b9b94528a7f74db2444db57b05a87b
https://github.com/TYPO3/typo3/commit/504e72470ff72aaf5d2256878bf473747f389798
Published: 2026-06-09
Updated: 2026-06-09
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P
Severity: Medium
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 7.2
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00036