{"id":44505,"date":"2026-04-12T03:47:49","date_gmt":"2026-04-12T03:47:49","guid":{"rendered":"http:\/\/localhost\/?p=44505"},"modified":"2026-04-12T03:47:49","modified_gmt":"2026-04-12T03:47:49","slug":"discourse-hidden-group-names-and-access-metadata-are-exposed-to-moderators-through-the-category-chat","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=44505","title":{"rendered":"Discourse: Hidden group names and access metadata are exposed to moderators through the `category-chatables` endpoint_CVE-2026-33300"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, an authorization bypass in the Category Chatables Controller show action allowed moderators to get information on hidden groups names and user count. 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