CVE-2026-87858 | Temporal Server History Service Source improper authorization

A vulnerability was found in Temporal Server. It has been rated as problematic. This issue affects some unknown processing of the component History Service. Performing a manipulation of the argument Source results in improper authorization.

This vulnerability was named CVE-2026-87858. The attack may be initiated remotely. There is no available exploit.VulDB Recent EntriesRead More