CVE-2026-105475 cPanel - Information Disclosure

cPanel contains an information disclosure vulnerability caused by improper neutralization of a NUL byte, letting remote attackers read any mail account's calendar and contact data, exploit requires no special privileges.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-158

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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