{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105476", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-10-05T15:00:00.728Z", "datePublished": "2026-11-02T21:05:16.335Z", "dateUpdated": "2026-11-02T21:22:59.543Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Improper link resolution before file access in cPanel allows remote authenticated users to write arbitrary root-owned files and escalate privileges."}], "affected": [{"defaultStatus": "unaffected", "vendor": "WebPros", "product": "cPanel", "versions": [{"version": "0", "status": "affected", "lessThan": "11.138.0.19", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "11.136.0.51", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "11.134.0.67", "versionType": "semver"}, {"version": "0", "status": "affected", "lessThan": "11.110.0.154", "versionType": "semver"}]}], "references": [{"url": "https://support.cpanel.net/hc/en-us/articles/44356595655703-Security-CVE-2026-105476-Arbitrary-File-Write-as-Root-in-cPanel-WHM-October-20th-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-59", "description": "CWE-59 Improper Link Resolution Before File Access ('Link Following')"}]}], "credits": [{"lang": "en", "value": "Boomerang (boomerang_)", "type": "finder"}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-11-02T21:05:16.335Z"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T21:22:48.430435Z", "id": "CVE-2026-105476", "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": "2026-11-02T21:22:59.543Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "cPanel", "vendor": "WebPros", "versions": [{"lessThan": "11.138.0.19", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "11.136.0.51", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "11.134.0.67", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "11.110.0.154", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper link resolution before file access in cPanel allows remote authenticated users to write arbitrary root-owned files and escalate privileges."}], "id": "CVE-2026-105476", "lastModified": "2026-11-02T21:17:22.707", "metrics": {}, "published": "2026-11-02T21:17:22.707", "references": [{"source": "support@hackerone.com", "url": "https://support.cpanel.net/hc/en-us/articles/44356595655703-Security-CVE-2026-105476-Arbitrary-File-Write-as-Root-in-cPanel-WHM-October-20th-2026"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{}