{"id":"CVE-2026-66760","aliases":["EUVD-2026-55878","GHSA-x986-f697-6r4v"],"status":"published","title":"Multiple vulnerabilities in SAP Business AI Platform (Approuter)","description":"SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00181,"percentile":0.07751,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2026-08-11T00:17:28Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"sap","product":"approuter"},{"vendor":"sap_se","product":"sap business ai platform (approuter)"}],"references":[{"url":"https://me.sap.com/notes/3786038","tags":["Permissions Required"]},{"url":"https://url.sap/sapsecuritypatchday","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66760"},{"url":"https://github.com/advisories/GHSA-x986-f697-6r4v"}],"sources":{"cve":[{"id":"CVE-2026-66760","title":"Multiple vulnerabilities in SAP Business AI Platform (Approuter)","description":"SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.","status":"published","published":"2026-08-11T00:17:28.325Z","modified":"2026-08-11T14:29:29.753Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-55878","description":"SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.","status":"published","published":"2026-08-11T00:17:28Z","modified":"2026-08-11T14:29:29Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"updated_at":"2026-11-02T18:02:00.294626Z"}],"ghsa":[{"id":"GHSA-x986-f697-6r4v","title":"SAP Approuter does not correctly validate client certificates in certain callback flows. An...","description":"SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.","status":"published","published":"2026-08-11T03:31:57Z","modified":"2026-08-11T03:32:04Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:10:16.495213Z"}],"nvd":[{"id":"CVE-2026-66760","description":"SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute. Successful exploitation could allow impersonation of a trusted internal component, resulting in a high impact on integrity and a low impact on confidentiality and availability.","status":"published","published":"2026-08-11T01:17:22.757Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:36.102748Z"}]}}