September 24, 2026

CVE Watchtower

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CVE-2026-41940NVD

Vulnerability Summary

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.
Severity Level
CRITICAL(9.8)
Published Date
Apr 29, 2026
Last Modified
Aug 11, 2026
Exploitation Status
ACTIVE
EPSS Score (30-Day)
98.53%Probability
Root Weakness (CWE)
CWE-306: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • WebPros cPanel >= 11.40.0.0 and < 11.86.0.41
  • WebPros cPanel >= 11.88.0.0 and < 11.94.0.28
  • WebPros cPanel >= 11.96.0.0 and < 11.102.0.39
  • WebPros cPanel >= 11.104.0.0 and < 11.110.0.97
  • WebPros cPanel >= 11.112.0.0 and < 11.118.0.63
  • WebPros cPanel >= 11.120.0.0 and < 11.124.0.35
  • WebPros cPanel >= 11.126.0.0 and < 11.126.0.54
  • WebPros cPanel >= 11.128.0.0 and < 11.130.0.19
  • WebPros cPanel >= 11.132.0.0 and < 11.132.0.29
  • WebPros cPanel >= 11.134.0.0 and < 11.134.0.20
  • WebPros cPanel >= 11.136.0.0 and < 11.136.0.5
  • WebPros WHM >= 11.40.0.0 and < 11.86.0.41
  • WebPros WHM >= 11.88.0.0 and < 11.94.0.28
  • WebPros WHM >= 11.96.0.0 and < 11.102.0.39
  • WebPros WHM >= 11.104.0.0 and < 11.110.0.97
  • WebPros WHM >= 11.112.0.0 and < 11.118.0.63
  • WebPros WHM >= 11.120.0.0 and < 11.124.0.35
  • WebPros WHM >= 11.126.0.0 and < 11.126.0.54
  • WebPros WHM >= 11.128.0.0 and < 11.130.0.19
  • WebPros WHM >= 11.132.0.0 and < 11.132.0.29
  • WebPros WHM >= 11.134.0.0 and < 11.134.0.20
  • WebPros WHM >= 11.136.0.0 and < 11.136.0.5
Patched Versions
  • WebPros cPanel 11.86.0.41
  • WebPros cPanel 11.94.0.28
  • WebPros cPanel 11.102.0.39
  • WebPros cPanel 11.110.0.97
  • WebPros cPanel 11.118.0.63
  • WebPros cPanel 11.124.0.35
  • WebPros cPanel 11.126.0.54
  • WebPros cPanel 11.130.0.19
  • WebPros cPanel 11.132.0.29
  • WebPros cPanel 11.134.0.20
  • WebPros cPanel 11.136.0.5
  • WebPros WHM 11.86.0.41
  • WebPros WHM 11.94.0.28
  • WebPros WHM 11.102.0.39
  • WebPros WHM 11.110.0.97
  • WebPros WHM 11.118.0.63
  • WebPros WHM 11.124.0.35
  • WebPros WHM 11.126.0.54
  • WebPros WHM 11.130.0.19
  • WebPros WHM 11.132.0.29
  • WebPros WHM 11.134.0.20
  • WebPros WHM 11.136.0.5
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⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
🚫Ad-Free — Uninterrupted experience.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
🚫Ad-Free — Uninterrupted experience.

External References