A vulnerability classified as critical was found in Mattermost up to 8.1.10/9.3.2/9.4.3/9.5.1/9.6.0. Affected by this vulnerability is an unknown functionality of the component Post Action Handler. The manipulation leads to improper access controls.
This vulnerability is known as CVE-2024-2447. The attack can be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.