A vulnerability was found in Mattermost up to 10.11.13/11.4.3/11.5.1 . It has been rated as problematic . Affected by this vulnerability is an unknown functionality of the file /api/v1/meetings of the component Start Meeting API Endpoint . This manipulation of the argument request body causes allocation of resources. This vulnerability is handled as CVE-2026-2325 . The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.