{"id":"CVE-2026-64637","aliases":["EUVD-2026-54563","GHSA-27h3-c9gv-83jx"],"status":"published","title":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated...","description":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.","severity":{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00471,"percentile":0.41016,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-08-07T17:57:25Z","modified":"2026-10-24T16:10:00Z","products":[{"vendor":"plesk","product":"plesk"},{"vendor":"webpros","product":"plesk"}],"references":[{"url":"https://support.plesk.com/hc/en-us/articles/42432168683799"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64637"},{"url":"https://github.com/advisories/GHSA-27h3-c9gv-83jx"}],"sources":{"cve":[{"id":"CVE-2026-64637","description":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.","status":"published","published":"2026-08-07T17:57:25.5Z","modified":"2026-08-07T18:25:40.293Z","cvss":[{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:19:58.214427Z"}],"euvd":[{"id":"EUVD-2026-54563","description":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.","status":"published","published":"2026-08-07T17:57:25Z","modified":"2026-08-07T18:25:40Z","cvss":[{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:06.573967Z"}],"ghsa":[{"id":"GHSA-27h3-c9gv-83jx","title":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated...","description":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.","status":"published","published":"2026-08-07T18:31:46Z","modified":"2026-08-07T18:31:57Z","cvss":[{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:10:11.66732Z"}],"nvd":[{"id":"CVE-2026-64637","description":"Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.","status":"published","published":"2026-08-07T18:17:20.2Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.0","score":9.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}