CVE-2026-27935

Product and vulnerability : Discourse (open-source discussion platform) is affected. Affected versions : prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2. Root cause : an API endpoint vulnerability that discloses private topic metadata of admin users to moderator users who do not have access to...

CVE-2026-27935 Discourse leaks private topic metadata to non-authorized users

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a vulnerability in an API endpoint that discloses private topic metadata of admin users to moderator users even if the moderators do not have access to the private topics. Versions...