Exposure of Sensitive Information Through Metadata

Overview github.com/mattermost/mattermost-plugin-playbooks/server/app is a package for reliable and repeatable processes using checklists, automation, and retrospectives Affected versions of this package are vulnerable to Exposure of Sensitive Information Through Metadata through improper...

CVE-2025-47871 Mattermost Playbooks exposes private channel metadata to unauthorized users via run metadata API

Mattermost versions 10.5.x = 10.5.5, 9.11.x = 9.11.15, 10.8.x = 10.8.0, 10.7.x = 10.7.2, 10.6.x = 10.6.5 fail to properly validate channel membership when retrieving playbook run metadata, allowing authenticated users who are playbook members but not channel members to access sensitive informatio...