9.8

CVE-2026-41940

Trending CVE
Warning
Media report
Exploit

WebPros cPanel and WHM Authentication Bypass via Login Flow

cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
Data is provided by the National Vulnerability Database (NVD)
Cpanel ≫ Cpanel Version >= 11.40 < 86.0.41
Cpanel ≫ Cpanel Version >= 88.0.0 < 110.0.97
Cpanel ≫ Cpanel Version >= 112.0.0 < 118.0.63
Cpanel ≫ Cpanel Version >= 120.0.0 < 124.0.35
Cpanel ≫ Cpanel Version >= 126.0.1 < 126.0.54
Cpanel ≫ Cpanel Version >= 128.0.0 < 130.0.19
Cpanel ≫ Cpanel Version >= 132.0.0 < 132.0.29
Cpanel ≫ Cpanel Version >= 134.0.0 < 134.0.20
Cpanel ≫ Cpanel Version >= 136.0.0 < 136.0.5
Cpanel ≫ Whm Version >= 11.40 < 86.0.41
Cpanel ≫ Whm Version >= 88.0.0 < 110.0.97
Cpanel ≫ Whm Version >= 112.0.0 < 118.0.63
Cpanel ≫ Whm Version >= 120.0.0 < 124.0.35
Cpanel ≫ Whm Version >= 126.0.1 < 126.0.54
Cpanel ≫ Whm Version >= 128.0.0 < 130.0.19
Cpanel ≫ Whm Version >= 132.0.0 < 132.0.29
Cpanel ≫ Whm Version >= 134.0.0 < 134.0.20
Cpanel ≫ Whm Version >= 136.0.0 < 136.0.5
Cpanel ≫ Wp Squared SwPlatformwordpress Version < 136.1.7
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30.04.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability

Vulnerability

WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.

Description

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metrics
Type Source Score percentile
EPSS FIRST.org 67.01% 0.986
CVSS Metrics
Source Base Score Exploit Score Impact Score Vector string
disclosure@vulncheck.com 9.3 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
disclosure@vulncheck.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-306 Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.