CVE-2026-29203
Full vulnerability record from the local CVENow database.
Description
A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system files or directories. That can cause DoS or local privilege escalation when an authenticated cPanel user places a symlink at a user-controlled legacy Nova path under their home directory.
Severity
MEDIUM
CVSS score
5.3
(v4.0)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-05-08 19:16:30.147000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
"id": "CVE-2026-29203",
"sourceIdentifier": "[email protected]",
"published": "2026-05-08T19:16:30.147",
"lastModified": "2026-10-26T18:10:00.173",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A chmod call in the cPanel Nova plugin's Cpanel::Nova::Connector follows symlinks, allowing setting root permissions on arbitrary system files or directories. That can cause DoS or local privilege escalation when an authenticated cPanel user places a symlink at a user-controlled legacy Nova path under their home directory."
},
{
"lang": "es",
"value": "Una llamada a chmod en Cpanel::Nova::Connector del plugin cPanel Nova sigue enlaces simbólicos, permitiendo establecer permisos de root en archivos o directorios arbitrarios del sistema. Esto puede causar DoS o escalada de privilegios local cuando un usuario autenticado de cPanel coloca un enlace simbólico en una ruta Nova heredada controlada por el usuario bajo su directorio de inicio."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "WebPros",
"product": "cPanel",
"defaultStatus": "unaffected",
"versions": [
{
"version": "11.136.0.0",
"lessThan": "11.136.0.9",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.134.0.0",
"lessThan": "11.134.0.25",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.132.0.0",
"lessThan": "11.132.0.31",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.130.0.0",
"lessThan": "11.130.0.22",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.126.0.0",
"lessThan": "11.126.0.58",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.124.0.0",
"lessThan": "11.124.0.37",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.118.0.0",
"lessThan": "11.118.0.66",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.110.0.0",
"lessThan": "11.110.0.117",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.102.0.0",
"lessThan": "11.102.0.41",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.94.0.0",
"lessThan": "11.94.0.30",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.86.0.0",
"lessThan": "11.86.0.43",
"versionType": "semver",
"status": "affected"
}
]
},
{
"vendor": "WebPros",
"product": "cPanel (CloudLinux 6, CentOS 6)",
"defaultStatus": "unaffected",
"versions": [
{
"version": "11.110.0.0",
"lessThan": "11.110.0.116",
"versionType": "semver",
"status": "affected"
}
]
},
{
"vendor": "WebPros",
"product": "WP Squared",
"defaultStatus": "unaffected",
"versions": [
{
"version": "11.136.1.0",
"lessThan": "11.136.1.10",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-08T00:00:00+00:00",
"id": "CVE-2026-29203",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-61"
}
]
}
],
"references": [
{
"url": "https://support.cpanel.net/hc/en-us/articles/40311543760407-Security-CVE-2026-29203-cPanel-WHM-WP2-Security-Update-May-08-2026",
"source": "[email protected]"
}
]
}