{"id":"CVE-2026-27678","aliases":["EUVD-2026-22150","GHSA-8pxq-pw5m-8q7x"],"status":"published","title":"Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)","description":"Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00189,"percentile":0.08573,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-04-14T00:07:33Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"sap_se","product":"sap s/4hana backend odata service (manage reference structures)"}],"references":[{"url":"https://me.sap.com/notes/3715177"},{"url":"https://url.sap/sapsecuritypatchday"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27678"},{"url":"https://github.com/advisories/GHSA-8pxq-pw5m-8q7x"}],"sources":{"cve":[{"id":"CVE-2026-27678","title":"Missing Authorization check in SAP S/4HANA Backend OData Service (Manage Reference Structures)","description":"Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.","status":"published","published":"2026-04-14T00:07:33.397Z","modified":"2026-04-14T13:14:18.299Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-22150","description":"Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.","status":"published","published":"2026-04-14T00:07:33Z","modified":"2026-04-14T13:14:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:26.535553Z"}],"ghsa":[{"id":"GHSA-8pxq-pw5m-8q7x","title":"Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference...","description":"Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.","status":"published","published":"2026-04-14T00:31:13Z","modified":"2026-04-14T00:31:19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:07:28.42851Z"}],"nvd":[{"id":"CVE-2026-27678","description":"Due to missing authorization checks in the SAP S/4HANA backend OData Service (Manage Reference Structures), an attacker could update and delete child entities via exposed OData services without proper authorization. This vulnerability has a high impact on integrity, while confidentiality and availability are not impacted.","status":"published","published":"2026-04-14T00:16:06.27Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}