CVE-2026-47343
TYPO3 CMS: Destructive Actions on File Mount Folders
Description
### Problem 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. ### Solution Update to TYPO3 versions 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described. ### Credits TYPO3 CMS thanks Arne Uplegger for reporting this issue, and TYPO3 security team member Elias Häußler for fixing it. ### Resources * [TYPO3-CORE-SA-2026-007](https://typo3.org/security/advisory/typo3-core-sa-2026-007)
How to fix CVE-2026-47343
To remediate CVE-2026-47343, upgrade the affected package to a fixed version below.
- —upgrade to 10.4.57 or later
Is CVE-2026-47343 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-47343.
Affected packages (1)
- from 0, < 10.4.57
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |