Multi-Factor Authentication Bypass in Mattermost by Authenticated Users

CVE-2025-30179

What is CVE-2025-30179?

Certain versions of Mattermost are susceptible to a vulnerability that permits authenticated attackers to bypass multi-factor authentication (MFA) protections. This flaw primarily affects search APIs related to user, channel, and team searches. As a result, attackers can exploit this weakness to gain unauthorized access to sensitive information without proper authentication measures in place.

References