A vulnerability categorized as problematic has been discovered in Mattermost up to 10.11.14/11.4.4/11.5.3/11.6.0. The affected element is an unknown function of the component PR Details Endpoint. The manipulation results in improper validation of specified type of input.
This vulnerability is cataloged as CVE-2026-4646. The attack may be launched remotely. There is no exploit available.
It is advisable to upgrade the affected component.
