CVE-2026-41940 - WebPros cPanel & WHM and WP2 (WordPress Squared)
AI Vulnerability ContextcPanel 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.
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
How serious this vulnerability is and whether it is known to be exploited.
CISA KEVCRITICAL
- CVE ID
- CVE-2026-41940
- Vendor/project
- WebPros
- Product
- cPanel & WHM and WP2 (WordPress Squared)
- Vulnerability name
- WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability
- Date added
- 2026-04-30
- Due date
- 2026-05-03
- Known ransomware campaign use
- Known
- CVSS v3
- 9.8
- CVSS v4
- 9.3
CWE-306
Exploit context
What the vulnerability is about.
No description available. The source record only contains identifiers and metadata.
Source evidence
Original public records and references for this page.
Original source
Original source links
Open the public records and source datasets used for this page.
NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2026-41940CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-datadisclosure@vulncheck.comhttps://docs.cpanel.net/release-notes/release-notesdisclosure@vulncheck.comhttps://docs.wpsquared.com/changelogs/versions/changelog/#13617disclosure@vulncheck.comhttps://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026disclosure@vulncheck.comhttps://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026disclosure@vulncheck.comhttps://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flowaf854a3a-2127-422b-91ae-364da2661108https://labs.watchtowr.com/the-internet-is-falling-down-falling-down-falling-down-cpanel-whm-authentication-bypass-cve-2026-41940/af854a3a-2127-422b-91ae-364da2661108https://www.bleepingcomputer.com/news/security/critrical-cpanel-flaw-mass-exploited-in-sorry-ransomware-attacks/134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/watchtowrlabs/watchTowr-vs-cPanel-WHM-AuthBypass-to-RCE.py134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-41940