CVE-2024-53994: Discourse

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Discourse is an open source platform for community discussion. In affected versions users who disable chat in preferences could still be reachable in some cases. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. Users unable to upgrade should disable the chat plugin within site settings.

Affected products

• Discourse Discourse: before 3.3.3 (fixed in 3.3.3); before 3.4.0 (fixed in 3.4.0); version 3.4.0 only

Published 2025-02-04. Last modified 2026-06-17.