Improper Validation of Certificate with Host Mismatch

Overview Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch in the HostnameUtil class, whose "match CN when no dNSName SAN exists" fallback is gated on Properties.isOverrideSetJSSEHOSTNAMECHECKCNFALLBACK, true, which returns true when the...

CVE-2025-24839

Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activateai override property to a post via the Wrangler plugin, provided...

PT-2025-16564

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.1 Mattermost versions 10.4.x through 10.4.3 Mattermost versions 9.11.x through 9.11.9 Description The issue allows users without access to the AI bot to activate it by attaching the activate ai override...