CVE-2026-77139 | TYPO3 Mask up to 8.3.11/9.0.10 Mask module template element key path traversal

August 25, 2026 Yanac

A vulnerability classified as critical has been found in TYPO3 Mask up to 8.3.11/9.0.10. This issue affects some unknown processing of the component Mask module. This manipulation of the argument template element key causes path traversal.

This vulnerability is handled as CVE-2026-77139. The attack can be initiated remotely. There is not any exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More