{"id":"CVE-2026-23687","aliases":["EUVD-2026-6389","GHSA-464m-h7w2-29w7"],"status":"published","title":"XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform","description":"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.005,"percentile":0.43365,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-02-10T03:02:47Z","modified":"2026-06-17T10:21:57Z","products":[{"vendor":"sap","product":"sap_basis"},{"vendor":"sap_se","product":"sap netweaver as abap and abap platform"}],"references":[{"url":"https://me.sap.com/notes/3697567","tags":["Permissions Required"]},{"url":"https://url.sap/sapsecuritypatchday","tags":["Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2026/Jun/1"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23687"},{"url":"https://github.com/advisories/GHSA-464m-h7w2-29w7"}],"sources":{"cve":[{"id":"CVE-2026-23687","title":"XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform","description":"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.","status":"published","published":"2026-02-10T03:02:47.674Z","modified":"2026-06-09T07:13:21.422Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T13:42:04.39372Z"}],"euvd":[{"id":"EUVD-2026-6389","description":"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.","status":"published","published":"2026-02-10T03:02:47Z","modified":"2026-06-09T07:13:21Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:48.375828Z"}],"ghsa":[{"id":"GHSA-464m-h7w2-29w7","title":"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with...","description":"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.","status":"published","published":"2026-02-10T06:30:38Z","modified":"2026-06-09T09:32:06Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:08:40.238392Z"}],"nvd":[{"id":"CVE-2026-23687","description":"SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.","status":"published","published":"2026-02-10T04:16:03.18Z","modified":"2026-06-17T10:21:57.427Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:05.52517Z"}]}}