CVE-2026-65643

Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.cpanel.net/hc/en-us/articles/42959571221527-Security-CVE-2026-65643-Park-API-Vulnerability-August-27-2026	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cpanel:cpanel::::::::
	cpe:2.3:a:cpanel:cpanel::::::::
	cpe:2.3:a:cpanel:cpanel::::::::
	cpe:2.3:a:cpanel:cpanel::::::::
	cpe:2.3:a:cpanel:cpanel::::::::

History

No history.

Information

Published : 2026-09-01 03:16

Updated : 2026-09-04 20:30

NVD link : CVE-2026-65643

Mitre link : CVE-2026-65643

CVE.ORG link : CVE-2026-65643

JSON object : View

Products Affected

cpanel

cpanel

CWE

CWE-95

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

{"id": "CVE-2026-65643", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-65643", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-01T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "support@hackerone.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "support@hackerone.com", "affectedData": [{"vendor": "WebPros", "product": "cPanel", "versions": [{"status": "affected", "version": "0", "lessThan": "11.110.0.141", "versionType": "semver"}, {"status": "affected", "version": "11.112.0.0", "lessThan": "11.134.0.53", "versionType": "semver"}, {"status": "affected", "version": "11.136.0.0", "lessThan": "11.136.0.37", "versionType": "semver"}, {"status": "affected", "version": "11.138.0.0", "lessThan": "11.138.0.2", "versionType": "semver"}, {"status": "affected", "version": "11.138.1.0", "lessThan": "11.138.1.7", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-01T03:16:50.807", "references": [{"url": "https://support.cpanel.net/hc/en-us/articles/42959571221527-Security-CVE-2026-65643-Park-API-Vulnerability-August-27-2026", "tags": ["Vendor Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-95"}]}], "descriptions": [{"lang": "en", "value": "Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root."}], "lastModified": "2026-09-04T20:30:32.587", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3B5D983A-D8CB-4617-A070-A02B0331EF08", "versionEndExcluding": "11.110.0.141"}, {"criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6D356FF-9F0D-4B97-8901-FF44AFE5D085", "versionEndExcluding": "11.134.0.53", "versionStartIncluding": "11.112.0.0"}, {"criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5CFFFED5-69DF-45CB-BF29-F1E541573859", "versionEndExcluding": "11.136.0.37", "versionStartIncluding": "11.136.0.0"}, {"criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A51AD827-584B-4247-BF06-87BB15BC6315", "versionEndExcluding": "11.138.0.2", "versionStartIncluding": "11.138.0.0"}, {"criteria": "cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A565CA38-9709-4030-BCD8-F8AB0402FAAB", "versionEndExcluding": "11.138.1.7", "versionStartIncluding": "11.138.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}