CVE-2026-103491 | JetBrains YouTrack up to 2026.2.19421 Issue Activities API authorization

A vulnerability classified as problematic has been found in JetBrains YouTrack up to 2026.2.19421. The impacted element is an unknown function of the component Issue Activities API. Performing a manipulation results in authorization bypass.

This vulnerability is identified as CVE-2026-103491. The attack can be initiated remotely. There is not any exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More