{"id":"CVE-2026-9093","state":"PUBLISHED","title":"CVE-2026-9093","description":"In Casdoor versions 2.362.0 and earlier, the SAML service provider implementation does not validate the AudienceRestriction element in SAML assertions. The buildSp function in object/saml_sp.go never sets AudienceURI on the gosaml2 SAMLServiceProvider struct and never inspects WarningInfo.NotInAudience. This allows assertions issued for other service providers to be accepted by Casdoor.","publishedAt":"2026-05-28T16:21:50.192Z","updatedAt":"2026-06-02T16:44:14.889Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["Casdoor Casdoor"],"affected":[{"vendor":"Casdoor","product":"Casdoor","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.362.0","versionType":"custom"}]}],"references":["https://kb.cert.org/vuls/id/780781"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9093.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9093","state":"PUBLISHED","datePublished":"2026-05-28T16:21:50.192Z","dateUpdated":"2026-06-02T16:44:14.889Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-05-20T15:04:21.545Z"},"containers":{"cna":{"title":"CVE-2026-9093","descriptions":[{"lang":"en","value":"In Casdoor versions 2.362.0 and earlier, the SAML service provider implementation does not validate the AudienceRestriction element in SAML assertions. The buildSp function in object/saml_sp.go never sets AudienceURI on the gosaml2 SAMLServiceProvider struct and never inspects WarningInfo.NotInAudience. This allows assertions issued for other service providers to be accepted by Casdoor."}],"affected":[{"vendor":"Casdoor","product":"Casdoor","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.362.0","versionType":"custom"}]}],"references":[{"url":"https://kb.cert.org/vuls/id/780781"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-863 Incorrect Authorization"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-05-28T16:21:50.192Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.41","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-9093"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T15:47:55.475804Z","id":"CVE-2026-9093","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-02T16:44:14.889Z"}}]}}}