CVE-2026-27671

{"id": "CVE-2026-27671", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "cna@sap.com", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2026-06-09T01:16:45.903", "references": [{"url": "https://me.sap.com/notes/3717897", "source": "cna@sap.com"}, {"url": "https://url.sap/sapsecuritypatchday", "source": "cna@sap.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "cna@sap.com", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "Due to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management, leading to memory corruption. This could lead to a high impact on the confidentiality, integrity, and availability of the application."}], "lastModified": "2026-06-09T02:08:28.150", "sourceIdentifier": "cna@sap.com"}