AEGLIX vulnerability intelligence
CVE-2026-41940
CRITICAL · CVSS 9.3 · Analyzed
Published: 2026-04-29 · Updated: 2026-10-26 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T10:19:47.864183+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
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.
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 98.53% · percentile 99.9 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 9.3 · CRITICAL
- CVSS version
- 4.0
- CVSS vector
- 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
- Weaknesses
- CWE-306
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- WebPros · cPanel & WHM and WP2 (WordPress Squared)
- Added to catalog
- 2026-04-30
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2026-05-03
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 11.40
Before (exclusive): 86.0.41
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 88.0.0
Before (exclusive): 110.0.97
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 112.0.0
Before (exclusive): 118.0.63
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 120.0.0
Before (exclusive): 124.0.35
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 126.0.1
Before (exclusive): 126.0.54
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 128.0.0
Before (exclusive): 130.0.19
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 132.0.0
Before (exclusive): 132.0.29
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 134.0.0
Before (exclusive): 134.0.20
cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
From (inclusive): 136.0.0
Before (exclusive): 136.0.5
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 11.40
Before (exclusive): 86.0.41
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 88.0.0
Before (exclusive): 110.0.97
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 112.0.0
Before (exclusive): 118.0.63
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 120.0.0
Before (exclusive): 124.0.35
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 126.0.1
Before (exclusive): 126.0.54
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 128.0.0
Before (exclusive): 130.0.19
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 132.0.0
Before (exclusive): 132.0.29
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 134.0.0
Before (exclusive): 134.0.20
cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
From (inclusive): 136.0.0
Before (exclusive): 136.0.5
cpe:2.3:a:cpanel:wp_squared:*:*:*:*:*:wordpress:*:*
Before (exclusive): 136.1.7
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://docs.cpanel.net/release-notes/release-notes
Release Notes
- https://docs.wpsquared.com/changelogs/versions/changelog/#13617
Release Notes
- https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026
Vendor Advisory
- https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026
Third Party Advisory
- https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow
Third Party Advisory
- https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-down-cpanel-whm-authentication-bypass-cve-2026-41940/
Exploit · Third Party Advisory
- https://www.bleepingcomputer.com/news/security/critrical-cpanel-flaw-mass-exploited-in-sorry-ransomware-attacks/
Press/Media Coverage
- https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py
Exploit · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940
US Government Resource