CVE-2026-34480 | Apache Log4j Core up to 2.25.3/3.0.0-beta3 Conforming Parser escape output (Nessus ID 306043 / WID-SEC-2026-1067)
A vulnerability marked as problematic has been reported in Apache Log4j Core up to 2.25.3/3.0.0-beta3. This vulnerability affects unknown code of the component Conforming Parser. The manipulation leads to escaping of output.
This vulnerability is listed as CVE-2026-34480. The attack may be initiated remotely. There is no available exploit.
It is suggested to upgrade the affected component.