It was discovered that ruby-saml did not correctly handle XML parsing. An attacker could possibly use this issue to perform a signature wrapping attack and bypass authentication. (CVE-2025-25291 and CVE-2025-25292)
It was discovered that ruby-saml did not correctly handle decompressing SAML responses. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-25293)