A vulnerability classified as problematic has been found in Mattermost up to 9.11.5/10.0.3/10.1.3/10.2.0/10.3.0. Affected is an unknown function. The manipulation leads to improper validation of specified type of input.
This vulnerability is traded as CVE-2025-20033. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
