BIT-MATTERMOST-2024-2450

Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication, allowing an authenticated attacker to take over other user accounts via a crafted switch request und...

Improper Authentication

github.com/mattermost/mattermost-server is vulnerable to Improper Authentication. The vulnerability is due to improper verification of account ownership when switching from email to SAML authentication. This flaw allowing an authenticated attacker to take over other user accounts via a crafted...

Mattermost access control vulnerability

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. Mattermost suffers from an authorization problem vulnerability that stems from an inability to properly verify account ownership, which can be exploited by an authenticated attacker to take over anothe...