PT-2026-22185

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0 Description A missing validate before create authorization check in the Data Explorer's QueryGroupBookmarkable component allows any...

CVE-2025-24920 Unauthorized Bookmark Creation and Modification in Archived Channels

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

Multiple Idor

Description There are multiple idors i found. In bookmarks//edit, bookmarks//remove, bookmarks//archive, bookmarks//unarchive. It gets the object provided in the bookmarkid without checking if the owner of the object is the current user. Proof of Concept 1. Go to...