CVE-2026-21587 | Atlassian Jira Service Management Data Center up to 11.3.10 improper authorization

September 15, 2026 Yanac

A vulnerability was found in Atlassian Jira Service Management Data Center up to 11.3.10. It has been rated as critical. Affected by this issue is some unknown functionality. This manipulation causes improper authorization.

This vulnerability appears as CVE-2026-21587. The attack may be initiated remotely. There is no available exploit.

Upgrading the affected component is advised.VulDB Recent EntriesRead More