CVE-2026-64637

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64637", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-07-20T15:00:00.696Z", "datePublished": "2026-08-07T17:57:25.500Z", "dateUpdated": "2026-08-07T18:25:40.293Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "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."}], "affected": [{"defaultStatus": "unaffected", "vendor": "WebPros", "product": "Plesk", "versions": [{"version": "0", "status": "affected", "lessThan": "18.0.80.1", "versionType": "semver"}]}], "references": [{"url": "https://support.plesk.com/hc/en-us/articles/42432168683799"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-08-07T17:57:25.500Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-07T18:24:11.245542Z", "id": "CVE-2026-64637", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-07T18:25:40.293Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64637", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-07-20T15:00:00.696Z", "datePublished": "2026-08-07T17:57:25.500Z", "dateUpdated": "2026-08-07T18:25:40.293Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "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."}], "affected": [{"defaultStatus": "unaffected", "vendor": "WebPros", "product": "Plesk", "versions": [{"version": "0", "status": "affected", "lessThan": "18.0.80.1", "versionType": "semver"}]}], "references": [{"url": "https://support.plesk.com/hc/en-us/articles/42432168683799"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-08-07T17:57:25.500Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64637", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-07T18:24:11.245542Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-07T18:25:26.192Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Plesk", "vendor": "WebPros", "versions": [{"lessThan": "18.0.80.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Gesti\u00f3n inadecuada de privilegios en la API XML-RPC de Plesk anterior a 18.0.80, permite a un revendedor autenticado obtener una sesi\u00f3n administrativa para la cuenta de usuario root."}], "id": "CVE-2026-64637", "lastModified": "2026-10-24T16:10:00.153", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "support@hackerone.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64637", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-07T18:24:11.245542Z", "version": "2.0.3"}}]}, "published": "2026-08-07T18:17:20.200", "references": [{"source": "support@hackerone.com", "url": "https://support.plesk.com/hc/en-us/articles/42432168683799"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,18.0.80.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Plesk", "source": "cna", "vendor": "WebPros"}, "product": "plesk", "vendor": "webpros"}], "created": "2026-08-07T19:30:04.573904+00:00", "title": "Plesk XML\u2011RPC API Improper Privilege Management Enables Reseller to Gain Root Session", "updated": "2026-08-07T21:00:13.496842+00:00", "vendors": ["webpros", "webpros$PRODUCT$plesk"]}