CVE-2026-2476 MS Teams plugin sensitive config values not properly masked in support packets

Mattermost Plugins versions =2.0.3.0 fail to properly mask sensitive configuration values which allows an attacker with access to support packets to obtain original plugin settings via exported configuration data. Mattermost Advisory ID: MMSA-2026-00606...

PT-2026-25680

Name of the Vulnerable Software and Affected Versions Mattermost Plugins versions through 2.0.3.0 Description The Mattermost plugins do not properly mask sensitive configuration values. This allows an attacker with access to support packets to obtain original plugin settings through exported...