{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27690","assignerOrgId":"e4686d1a-f260-4930-ac4c-2f5c992778dd","state":"PUBLISHED","assignerShortName":"sap","dateReserved":"2026-02-23T17:50:17.028Z","datePublished":"2026-07-14T00:17:55.003Z","dateUpdated":"2026-07-14T12:46:07.535Z"},"containers":{"cna":{"providerMetadata":{"orgId":"e4686d1a-f260-4930-ac4c-2f5c992778dd","shortName":"sap","dateUpdated":"2026-07-14T00:17:55.003Z"},"title":"HTTP Request Smuggling in SAP Approuter","problemTypes":[{"descriptions":[{"lang":"eng","cweId":"CWE-444","description":"CWE-444: Inconsistent Interpretation of HTTP Requests","type":"CWE"}]}],"affected":[{"vendor":"SAP_SE","product":"SAP Approuter","versions":[{"status":"affected","version":"SAP Approuter node.js package < 20.10.0"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to a high impact on confidentiality and availability.</p>"}]}],"references":[{"url":"https://me.sap.com/notes/3720138"},{"url":"https://url.sap/sapsecuritypatchday"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-14T12:45:38.599061Z","id":"CVE-2026-27690","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-14T12:46:07.535Z"}}]}}