CVE-2026-105476 cPanel - Broken Access Control

cPanel contains a broken access control vulnerability caused by improper link resolution before file access, letting remote authenticated users write arbitrary root-owned files and escalate privileges.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation, File System Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-59

Vendor fix

Update to the latest version of cPanel.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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