Threats Tagged 'cve-2026-86304'
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Threats Tagged 'cve-2026-86304'
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CVE-2026-86304: CWE-347 Improper Verification of Cryptographic SignatureCVE-2026-86304 0 MojoX::Authentication versions before 0.006 for Perl allow SAML authentication bypass because parse_assertion builds Net::SAML2::Binding::POST without a trust anchor. parse_assertion in MojoX::Authentication::Model::SAML2 calls Net::SAML2::Binding::POST->new with no cacert, cert_text or anchors argument, then passes the returned XML to Net::SAML2::Protocol::Assertion->new_from_xml with the IdP signing certificate as cacert. In Net::SAML2 before 0.86 that certificate guards only encrypted assertions, so the signature on an unencrypted assertion is checked against the certificate the response itself carries. An attacker starts a SAML login, then posts a response signed with a certificate of their own. The audience, InResponseTo and timestamp checks that follow are all satisfiable by the attacker, so the response authenticates any NameID it carries. Join the discussion | CVE Database V5 | 09/06/2026, 22:24:19 UTC Added: 09/06/2026, 22:37:53 UTC |
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