CVE-2026-54420

HIGH

LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026.

CVSS v3.1 Score

8.5
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/14/2026Modified: 6/17/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (3)

https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/Vendor Advisoryhttps://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanelProducthttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-54420US Government Resource