{"id":"CVE-2026-66766","aliases":["EUVD-2026-65191","GHSA-g76p-cfx7-wh4j"],"status":"published","title":"Denial of Service (DoS) in SAP S/4HANA (Manage Supply Protection)","description":"SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression Denial of Service (ReDoS) vulnerability. An unauthenticated attacker could supply specially crafted input that triggers excessive processing within the affected functionality. Successful exploitation could exhaust system resources and make the service unavailable, resulting in a high impact on availability. There is no impact on confidentiality and integrity.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00509,"percentile":0.43813,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1333"],"published":"2026-08-25T01:08:36Z","modified":"2026-10-12T15:10:00Z","products":[{"vendor":"sap_se","product":"sap s/4hana (manage supply protection)"}],"references":[{"url":"https://me.sap.com/notes/3771065"},{"url":"https://url.sap/sapsecuritypatchday"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66766"},{"url":"https://github.com/advisories/GHSA-g76p-cfx7-wh4j"}],"sources":{"cve":[{"id":"CVE-2026-66766","title":"Denial of Service (DoS) in SAP S/4HANA (Manage Supply Protection)","description":"SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression Denial of Service (ReDoS) vulnerability. An unauthenticated attacker could supply specially crafted input that triggers excessive processing within the affected functionality. Successful exploitation could exhaust system resources and make the service unavailable, resulting in a high impact on availability. There is no impact on confidentiality and integrity.","status":"published","published":"2026-08-25T01:08:36.749Z","modified":"2026-08-25T09:52:18.316Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-65191","description":"SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression Denial of Service (ReDoS) vulnerability. An unauthenticated attacker could supply specially crafted input that triggers excessive processing within the affected functionality. Successful exploitation could exhaust system resources and make the service unavailable, resulting in a high impact on availability. There is no impact on confidentiality and integrity.","status":"published","published":"2026-08-25T01:08:36Z","modified":"2026-08-25T09:52:18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:33.385611Z"}],"ghsa":[{"id":"GHSA-g76p-cfx7-wh4j","title":"SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression...","description":"SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression Denial of Service (ReDoS) vulnerability. An unauthenticated attacker could supply specially crafted input that triggers excessive processing within the affected functionality. Successful exploitation could exhaust system resources and make the service unavailable, resulting in a high impact on availability. There is no impact on confidentiality and integrity.","status":"published","published":"2026-08-25T03:32:08Z","modified":"2026-08-25T03:32:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T15:10:55.456762Z"}],"nvd":[{"id":"CVE-2026-66766","description":"SAP S/4HANA (Private Cloud) uses a third-party component that contains a Regular Expression Denial of Service (ReDoS) vulnerability. An unauthenticated attacker could supply specially crafted input that triggers excessive processing within the affected functionality. Successful exploitation could exhaust system resources and make the service unavailable, resulting in a high impact on availability. There is no impact on confidentiality and integrity.","status":"published","published":"2026-08-25T01:16:37.23Z","modified":"2026-10-12T15:10:00.207Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:12:41.018848Z"}]}}