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CVE-2026-41940

9.3 critical KEV · due 2026-05-03 ransomware exploit ×76 SSVC exploitation: active Analyzed
NVD · CVE.org · CISA KEV

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.

Fix

Public exploits 76

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

CISA KEV required action · due 2026-05-03

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

Added to the catalog 2026-04-30. CISA KEV

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

In the news 1

Change history 1

  1. First seenCVSS 9.3 · in KEV · cpanelNVD modified 2026-10-26 20:10

Affected (CPE criteria) 3

  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:*
  • cpe:2.3:a:cpanel:wp_squared:*:*:*:*:*:wordpress:*:*

References 9