CVE-2026-22880

Mattermost Mobile Apps versions =2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows an attacker controlling a malicious Mattermost server to steal user credentials for a legitimate Mattermost server via relaying the SSO...

PT-2026-42432

Name of the Vulnerable Software and Affected Versions Mattermost Mobile Apps versions prior to 2.38 Description The application fails to properly validate the SSO authentication callback origin. This allows an attacker who controls a malicious Mattermost server to steal user credentials for a...