CVE-2026-1772 | Hitachi Energy RTU500 CMU up to 12.7.7/13.5.4/13.6.2/13.7.7/13.8.1 Web Interface improper authentication

A vulnerability classified as critical has been found in Hitachi Energy RTU500 CMU up to 12.7.7/13.5.4/13.6.2/13.7.7/13.8.1. Affected by this issue is some unknown functionality of the component Web Interface. Performing a manipulation results in improper authentication.

This vulnerability is known as CVE-2026-1772. Remote exploitation of the attack is possible. No exploit is available.