CVE-2024-37299: Discourse

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Discourse is an open source discussion platform. Prior to 3.2.5 and 3.3.0.beta5, crafting requests to submit very long tag group names can reduce the availability of a Discourse instance. This vulnerability is fixed in 3.2.5 and 3.3.0.beta5.

Affected products

• Discourse Discourse: before 3.2.5 (fixed in 3.2.5); version 3.3.0 only

Published 2024-07-30. Last modified 2026-06-17.