{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89105","assignerOrgId":"e4686d1a-f260-4930-ac4c-2f5c992778dd","state":"PUBLISHED","assignerShortName":"sap","dateReserved":"2026-09-10T22:24:03.822Z","datePublished":"2026-10-13T00:23:29.772Z","dateUpdated":"2026-10-13T13:28:31.056Z"},"containers":{"cna":{"providerMetadata":{"orgId":"e4686d1a-f260-4930-ac4c-2f5c992778dd","shortName":"sap","dateUpdated":"2026-10-13T00:23:29.772Z"},"title":"Improper Authentication in HybridTokenAuthenticator of SAP/cloud-security-services-integration-library","problemTypes":[{"descriptions":[{"lang":"eng","cweId":"CWE-1188","description":"CWE-1188: Initialization of a Resource with an Insecure Default","type":"CWE"}]}],"affected":[{"vendor":"SAP_SE","product":"SAP/cloud-security-services-integration-library","versions":[{"status":"affected","version":">=3.6.6"},{"status":"affected","version":"<4.1.1"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The HybridTokenAuthenticator component of the SAP/cloud-security-services-integration-library accepts tokens from unintended ambient IAS/XSUAA bindings, potentially allowing unauthorized access. This vulnerability allows an attacker to gain unauthorized access to the system by using tokens that should not be accepted, leading to a breach of security.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>The HybridTokenAuthenticator component of the SAP/cloud-security-services-integration-library accepts tokens from unintended ambient IAS/XSUAA bindings, potentially allowing unauthorized access. This vulnerability allows an attacker to gain unauthorized access to the system by using tokens that should not be accepted, leading to a breach of security.</p>"}]}],"references":[{"url":"https://github.com/SAP/cloud-security-services-integration-library/security/advisories/GHSA-857v-p42q-f3qf"},{"url":"https://url.sap/sapsecuritypatchday"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":4.2,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-89105","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-13T13:16:31.011473Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-13T13:28:31.056Z"}}]}}