Actively exploited in the wild
WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability
WebPros - cPanel & WHM and WP2 (WordPress Squared) · Listed in the CISA KEV since 2026-04-30. This indicates confirmed attacks in production environments.
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.
CVE-2026-41940
CriticalCVSS 9.8KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
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.
Risk Assessment
This vulnerability could lead to unauthorized access to sensitive data and management functions, posing a serious security threat to the organization.
Recommendation
It is recommended to update to the latest version of cPanel and WHM to mitigate this vulnerability and implement additional security measures such as access log monitoring.
Related vulnerabilities
- CVE-2026-107282Critical
Vulnerability in AsyncHttpClient (AHC) library before versions 3.0.13 and 2.16.1 allows cross-host request replay that updates the current request but leaves the target request and proxy context pointing to the original origin. This can send the original host's path, Host header, Authorization credentials, or plaintext request to the replay destination.
- CVE-2026-76268Critical
Vulnerability in Splunk Enterprise before versions 10.4.3 and 10.2.7 allows an unauthenticated user with network access to the Patroni REST API on a search head cluster member to execute attacker-controlled OS commands. The interface does not require authentication for critical configuration operations.
- CVE-2026-95606Critical
Deserialization of untrusted data vulnerability in The Events Calendar plugin allows object injection. Affects versions up to 6.17.4.
- CVE-2026-95605Critical
SQL injection vulnerability in WP Data Access allows blind SQL injection. Affects versions up to 5.5.82.
- CVE-2026-76501Critical
Vulnerability in SRv6 OAM (NGOAM) feature of Cisco NX-OS allows unauthenticated remote attacker to execute arbitrary code with root privileges or cause DoS. Due to improper input validation when NGOAM and SRv6 features are enabled.
- CVE-2026-76500Critical
A security review in Cisco APIC revealed multiple vulnerabilities related to improper control of a resource through its lifetime (CWE-664). These have been addressed in hardening releases.
- CVE-2026-76499Critical
A security review in Cisco APIC revealed multiple vulnerabilities related to improper neutralization issues (CWE-707). These have been addressed in hardening releases.
- CVE-2026-76498Critical
A security review in Cisco APIC revealed multiple vulnerabilities related to improper access control (CWE-284). These have been addressed in hardening releases.
- CVE-2026-76486Critical
Vulnerability in VXLAN OAM (NGOAM) feature of Cisco NX-OS allows unauthenticated remote attacker to execute arbitrary code with root privileges or cause DoS. Due to improper input validation when NGOAM is enabled.
- CVE-2026-76485Critical
Vulnerability in VXLAN OAM (NGOAM) feature of Cisco NX-OS allows unauthenticated remote attacker to execute arbitrary code with root privileges or cause DoS. Due to improper input validation when NGOAM is enabled.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS