CVE-2026-18092 Net::SAML2 versions before 0.86 for Perl allow SAML authentication bypass via XML signature wrapping because new_from_xml reads assertion identity with document-wide XPath instead of the signed subtree

Net::SAML2 versions before 0.86 for Perl allow SAML authentication bypass via XML signature wrapping because newfromxml reads assertion identity with document-wide XPath instead of the signed subtree. newfromxml reads the NameID, attribute values, SessionIndex, audience and other identity fields...

CVE-2026-18092

Net::SAML2 (Perl) prior to 0.86 is vulnerable to an XML-signature-wrapping bypass. The code reads assertion identity fields (NameID, attributes, SessionIndex, audience, etc.) using document-wide XPath (e.g., //saml:Assertion/... and //saml:Subject/saml:NameID) instead of the signed subtree, so un...

CVE-2026-54773 CoreWCF: WS-Security signature substitution via document-wide Signature lookup

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF WS-Security signature verification performs a document-wide ds:Signature lookup, allowing an unauthenticated remote attacker to place a SOAP header before wsse:Security an...