{"id":"CVE-2026-66767","title":"SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session …","summary":"SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session …","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","cwe":["CWE-191"],"vendor":"SAP_SE","product":"SAP NetWeaver Application Server for ABAP and ABAP Platform","affected":["sap_netweaver_application_server_for_abap_and_abap_platform KRNL64NUC 7.22","sap_netweaver_application_server_for_abap_and_abap_platform 7.22EXT","sap_netweaver_application_server_for_abap_and_abap_platform KRNL64UC 7.22","sap_netweaver_application_server_for_abap_and_abap_platform 7.53","sap_netweaver_application_server_for_abap_and_abap_platform 8.04","sap_netweaver_application_server_for_abap_and_abap_platform KERNEL 7.22","sap_netweaver_application_server_for_abap_and_abap_platform 7.54","sap_netweaver_application_server_for_abap_and_abap_platform 7.77","sap_netweaver_application_server_for_abap_and_abap_platform 7.93","sap_netweaver_application_server_for_abap_and_abap_platform 9.16","sap_netweaver_application_server_for_abap_and_abap_platform 9.18","sap_netweaver_application_server_for_abap_and_abap_platform 9.19","sap_netweaver_application_server_for_abap_and_abap_platform 9.20"],"published":"2026-09-08","updated":"2026-09-09","sourceUpdated":"2026-09-09T05:17:27.420","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-66767","references":[{"url":"https://me.sap.com/notes/3757002","label":"cna@sap.com"},{"url":"https://url.sap/sapsecuritypatchday","label":"cna@sap.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-08T09:58:18.672335Z"},"epss":0.0026,"epssPercentile":0.18081,"ingestedAt":"2026-09-08T15:33:26.981Z","slug":"CVE-2026-66767","body":"## Overview\n\nSAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session under narrow timing conditions. Successful exploitation could result in high impact on confidentiality and integrity, with low impact on availability of the application.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}