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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00042.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WebPros cPanel unaffected
Version Status Constraints
11.136.0.0 affected < 11.136.0.9
11.134.0.0 affected < 11.134.0.25
11.132.0.0 affected < 11.132.0.31
11.130.0.0 affected < 11.130.0.22
11.126.0.0 affected < 11.126.0.58
11.124.0.0 affected < 11.124.0.37
11.118.0.0 affected < 11.118.0.66
11.110.0.0 affected < 11.110.0.117
11.102.0.0 affected < 11.102.0.41
11.94.0.0 affected < 11.94.0.30
11.86.0.0 affected < 11.86.0.43
WebPros cPanel (CloudLinux 6, CentOS 6) unaffected
Version Status Constraints
11.110.0.0 affected < 11.110.0.116
WebPros WP Squared unaffected
Version Status Constraints
11.136.1.0 affected < 11.136.1.10

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.cpanel.net/hc/en-us/articles/40311543760407-Security-CVE-2026-29203-cPanel-WHM-WP2-Security-Update-May-08-2026 cve-icon cve-icon
History

Sun, 10 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Webpros
Webpros cpanel
Webpros cpanel (centos 6, Cloudlinux 6)
Webpros wp Squared
Vendors & Products Webpros
Webpros cpanel
Webpros cpanel (centos 6, Cloudlinux 6)
Webpros wp Squared

Fri, 08 May 2026 21:30:00 +0000

Type Values Removed Values Added
Title Symlink Traversal Allowing Local Privilege Escalation in cPanel Nova

Fri, 08 May 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 08 May 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-61
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-05-12T17:46:55.186Z

Reserved: 2026-03-04T15:00:09.267Z

Link: CVE-2026-29203

cve-icon Vulnrichment

Updated: 2026-05-08T19:20:00.014Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-08T19:16:30.147

Modified: 2026-05-13T15:53:49.087

Link: CVE-2026-29203

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-10T21:24:59Z

Weaknesses