CVE-2026-54776 | CoreWCF up to 1.8.0/1.9.0 UnixPosixIdentitySecurityUpgradeProvider improper authentication

A vulnerability labeled as problematic has been found in CoreWCF up to 1.8.0/1.9.0. Affected by this vulnerability is an unknown functionality of the component UnixPosixIdentitySecurityUpgradeProvider. The manipulation results in improper authentication.

This vulnerability was named CVE-2026-54776. The attack may be performed from remote. There is no available exploit.