cPanel Security Updates – 14 May 2026

cPanel has released security updates to address several vulnerabilities affecting multiple cPanel & WHM versions, as well as the third-party mail transfer agent Exim.

The addressed vulnerabilities could allow the attacker to conduct denial-of-service or man-in-the-middle attacks, obtain sensitive information, gain elevated privileges, execute arbitrary code, and gain access to the affected products.

Sample of the addressed vulnerabilities:

1. cPanel & WHM/WP2 Unsafe Symlink Handling Vulnerability (CVE-2026-29203):

  • CVSS: 8.8
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Consequences: Denial of Service

2. cPanel & WHM/WP2 Disabled SSL Verification in the DNS Cluster System Vulnerability (CVE-2026-32992):

  • CVSS: 8.2
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Man-in-the-Middle
Vulnerabilities
  • CVE-2026-29201
  • CVE-2026-29202
  • CVE-2026-29203
  • CVE-2026-29205
  • CVE-2026-29206
  • CVE-2026-32991
  • CVE-2026-32992
  • CVE-2026-32993
  • CVE-2026-40684
  • CVE-2026-40685
  • CVE-2026-40686
  • CVE-2026-40687
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

cPanel Security

References