CVE-2026-18047 | Red Hat Certificate System/Enterprise Linux ACME responder web.xml improper authorization

July 28, 2026 Yanac

A vulnerability was found in Red Hat Certificate System and Enterprise Linux. It has been declared as very critical. This affects an unknown part of the file web.xml of the component ACME responder. Such manipulation leads to improper authorization.

This vulnerability is listed as CVE-2026-18047. The attack may be performed from remote. There is no available exploit.VulDB Recent EntriesRead More