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CVE-2026-41940

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

WebPros cPanel & WHM and WP2 (WordPress Squared) CWE-306

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.

CVSS Score
9.8
Critical
EPSS — Exploit Probability
98%
Riskier than 100% of all CVEs
Exploitation
Confirmed in the wild
Used in ransomware campaigns
Remediation
Patch available
Federal deadline 2026-05-03
CISA 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. Deadline for federal agencies: 2026-05-03.

NVD entry Vendor patch PoC / advisory CISA KEV

18 articles across 10 outlets · first covered Apr 29, 2026 · latest May 17, 2026

Tracked incidents

vulnerability closed 8 articles
Critical cPanel authentication bypass (CVE-2026-41940) exploited worldwide

Associated threat actors

TeamPCP Mr_Rot13 GhostEmperor

Coverage timeline