CVE-2025-9076 | Mattermost up to 10.10.1 Channel Membership authorization

A vulnerability was found in Mattermost up to 10.10.1. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Channel Membership Handler. Performing manipulation results in missing authorization.

This vulnerability is known as CVE-2025-9076. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More