Vulnerability · Published Nov 2, 2026 · Assigned by hackerone

CVE-2026-105475

High 8.7

In plain English

A high-severity security flaw in cPanel from WebPros. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.4%top 65.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper neutralization of a NUL byte in cPanel allows remote attackers to read any mail account's calendar and contact data.

Affected products (as reported)

VendorProductVersions
WebPros cPanel 0 – before 11.138.0.190 – before 11.136.0.510 – before 11.134.0.670 – before 11.110.0.154

Weakness: CWE-158 · 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

References