CVE-2022-41921: Discourse

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.

Affected products

• Discourse Discourse: before 2.9.0 (fixed in 2.9.0); version 2.9.0 only

Published 2022-11-28. Last modified 2026-06-17.