{ "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": "
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.
" } ] } ], "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" } } ] } }