CVE-2026-57921 | JetBrains YouTrack up to 2026.1.13570 Comment Templates Endpoint authorization

A vulnerability categorized as problematic has been discovered in JetBrains YouTrack. This issue affects some unknown processing of the component Comment Templates Endpoint. Executing a manipulation can lead to missing authorization.

This vulnerability appears as CVE-2026-57921. The attack may be performed from remote. There is no available exploit.

It is advisable to upgrade the affected component.