PT-2026-57655

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2025-65000

CVE-2025-65000 affects Checkmk (Linux Remote alert handlers rule). SSH private keys were exposed in the HTML source of the rule page for Checkmk 2.3.0 and all versions up to 2.4.0p18, potentially allowing unauthorized triggering of predefined alert handlers on affected hosts. The Red Hat, NVD, Ub...