CVE-2025-59480 Inadequate validation of SSO redirect credentials permits credential theft

Mattermost Mobile Apps versions =2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses...

CVE-2025-59480

Mattermost Mobile Apps (Android/iOS) versions up to and including 2.32.0 are affected by an insufficient verification of SSO redirect tokens. The root cause is failure to verify that SSO tokens originate from a trusted server, enabling a malicious Mattermost instance or an on-path attacker to obt...