CVE-2026-27149 | Discourse up to 2025.12.1/2026.1.0 Private Message list_private_messages_tag sql injection
A vulnerability, which was classified as critical, has been found in Discourse up to 2025.12.1/2026.1.0. This issue affects the function list_private_messages_tag of the component Private Message Handler. This manipulation causes sql injection.
This vulnerability is registered as CVE-2026-27149. Remote exploitation of the attack is possible. No exploit is available.
It is advisable to upgrade the affected component.