CVE-2026-41940

KEV
Published: Apr 29, 2026 Last Modified: Apr 30, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,2836
Percentile
1,0th
Updated

EPSS Score Trend (Last 2 Days)

306

Missing Authentication for Critical Function

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Other
Potential Impacts:
Gain Privileges Or Assume Identity Varies By Context
Applicable Platforms
Technologies: Cloud Computing, ICS/OT
Likelihood of Exploit: High
View CWE Details
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 136.0.0 (inclusive)
To 136.0.5 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 136.0.0 (inclusive)
To 136.0.5 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 132.0.0 (inclusive)
To 132.0.29 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 112.0.0 (inclusive)
To 118.0.63 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 112.0.0 (inclusive)
To 118.0.63 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 134.0.0 (inclusive)
To 134.0.20 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 11.40 (inclusive)
To 86.0.41 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 88.0.0 (inclusive)
To 110.0.97 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Wp Squared by Cpanel

Product Information
Vendor Cpanel
Product Wp Squared
Version Range Affected
To 136.1.7 (exclusive)
cpe:2.3:a:cpanel:wp_squared:*:*:*:*:*:wordpress:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 132.0.0 (inclusive)
To 132.0.29 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 120.0.0 (inclusive)
To 126.0.54 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 120.0.0 (inclusive)
To 126.0.54 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 88.0.0 (inclusive)
To 110.0.97 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 134.0.0 (inclusive)
To 134.0.20 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 128.0.0 (inclusive)
To 130.0.19 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Whm by Cpanel

Product Information
Vendor Cpanel
Product Whm
Version Range Affected
From 128.0.0 (inclusive)
To 130.0.19 (exclusive)
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Cpanel by Cpanel

Product Information
Vendor Cpanel
Product Cpanel
Version Range Affected
From 11.40 (inclusive)
To 86.0.41 (exclusive)
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-Au…
https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026…
https://docs.cpanel.net/release-notes/release-notes
https://docs.cpanel.net/release-notes/release-notes
https://docs.wpsquared.com/changelogs/versions/changelog/#1…
https://docs.wpsquared.com/changelogs/versions/changelog/#13617
https://support.cpanel.net/hc/en-us/articles/40073787579671…
https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security…
https://www.namecheap.com/status-updates/ongoing-critical-s…
https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerabilit…
https://www.vulncheck.com/advisories/cpanel-and-whm-authent…
https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-l…