CVE-2020-3580

CVE-2020-3580 Cisco ASA / FTD reflected XSS in the WebVPN SAML SP ACS endpoint /+CSCOE+/saml/sp/acs. Patched in cisco-sa-asaftd-xss-multiple-FCB3vPZe. This repo contains: xss.html — a human-verifiable PoC for authorized targets. src/ — a discovery + scope-aware validation pipeline. docs/ —...

CVE-2026-49284: Insufficient Verification of Data Authenticity

SimpleSAMLphp versions before 1.18.6 contain an information disclosure vulnerability. Prior to 2.4.7 and 2.5.2, SimpleSAMLphp's SAML SP ACS path does not enforce the IdP selected for an SP-initiated login when unsigned Response/InResponseTo is combined with a signed assertion lacking...

SimpleSAMLphp SP accepts a response from an unexpected IdP when unsigned `Response/InResponseTo` is combined with a signed assertion lacking `SubjectConfirmationData/InResponseTo`

Summary SimpleSAMLphp's SAML SP ACS path does not enforce the IdP selected for an SP-initiated login. If a saved SP state contains ExpectedIssuer = IdP A, but the ACS receives a valid response from IdP B, the code logs a warning and continues processing instead of rejecting the response. That...