CVE-2026-123540 OpenAM before 16.1.4 Incomplete Attribute Encoding in SAML 1.x Form POST

OpenAM before 16.1.4 contains an incomplete output encoding vulnerability that allows a SAML 1.x identity provider to alter attribute values by injecting unencoded content into the service provider auto-submitted form. Attackers controlling a trusted identity provider can craft assertion attribut...