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Cpanel CVE-2026-29203

| EUVDEUVD-2026-28812 MEDIUM
UNIX Symbolic Link (Symlink) Following (CWE-61)
2026-05-08 hackerone GHSA-3x6m-3grh-599c
Privilege Escalation Cpanel Cpanel Centos 6 Cloudlinux 6 Wp Squared
5.3
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
5.3 MEDIUM
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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

6
Severity Changed
May 15, 2026 - 18:22 NVD
HIGH MEDIUM
CVSS changed
May 15, 2026 - 18:22 NVD
8.8 (HIGH) 5.3 (MEDIUM)
CVSS changed
May 08, 2026 - 20:22 NVD
8.8 (None) 8.8 (HIGH)
Patch available
May 08, 2026 - 20:03 EUVD
CVE Published
May 08, 2026 - 18:51 nvd
UNKNOWN (no severity yet)
CVE Published
May 08, 2026 - 18:51 nvd
HIGH 8.8

DescriptionCVE.org

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.

Analysis

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.

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CVE-2026-29203 vulnerability details – vuln.today
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