TYPO3 CMS - Destructive Actions on File Mount Folders
CVE-2026-47343

7.2HIGH

Key Information:

Vendor

Typo3

Status
Typo3 Cms
Vendor
CVE Published:
9 June 2026

What is CVE-2026-47343?

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.

Affected Version(s)

TYPO3 CMS 0 < 10.4.57

TYPO3 CMS 11.0.0 < 11.5.51

TYPO3 CMS 12.0.0 < 12.4.46

References

https://typo3.org/security/advisory/typo3-core-sa-2026-007
vendor-advisory
https://github.com/TYPO3/typo3/commit/504e72470ff72aaf5d2...
patch
https://github.com/TYPO3/typo3/commit/ac4125aef8b9b94528a...
patch

CVSS V4

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Arne Uplegger
Elias Häußler
.