CVE-2026-27690

{"id": "CVE-2026-27690", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27690", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-14T12:45:38.599061Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@sap.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cna@sap.com", "affectedData": [{"vendor": "SAP_SE", "product": "SAP Approuter", "versions": [{"status": "affected", "version": "SAP Approuter node.js package < 20.10.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-14T01:16:17.193", "references": [{"url": "https://me.sap.com/notes/3720138", "tags": ["Permissions Required"], "source": "cna@sap.com"}, {"url": "https://url.sap/sapsecuritypatchday", "tags": ["Vendor Advisory"], "source": "cna@sap.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cna@sap.com", "description": [{"lang": "en", "value": "CWE-444"}]}], "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."}], "lastModified": "2026-09-08T20:22:05.330", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sap:approuter:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "76B5CA85-6A49-4263-8D21-770DF702C090", "versionEndExcluding": "20.10.0"}], "operator": "OR"}]}], "sourceIdentifier": "cna@sap.com"}