CVE-2026-54420

Symbolic Link Path Traversal in LiteSpeed cPanel Plugin Allows Remote Code Execution

Published Jun 14, 2026 CVSS 3.1 · 8.5 High EPSS 1.4% KEV · Listed
Description
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.

Remediation

Vendor Solution

Upgrade to the LiteSpeed WHM PlugIn v5.3.2.0 or higher (which includes the cPanel PlugIn v2.4.8).


Vendor Workaround

Disable the cPanel PlugIn for LiteSpeed

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Symbolic Link Path Traversal in LiteSpeed cPanel Plugin Allows Remote Code Execution
Type Values Removed Values Added
Title Symlink Manipulation Allowing Remote Code Execution in LiteSpeed cPanel Plugin
Type Values Removed Values Added
First Time appeared Litespeedtech
Litespeedtech litespeed Cpanel Plugin
Litespeedtech litespeed Whm Plugin
CPEs cpe:2.3:a:litespeedtech:litespeed_cpanel_plugin:*:*:*:*:*:*:*:*
cpe:2.3:a:litespeedtech:litespeed_whm_plugin:*:*:*:*:*:*:*:*
Vendors & Products Litespeedtech
Litespeedtech litespeed Cpanel Plugin
Litespeedtech litespeed Whm Plugin
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-06-15T00:00:00+00:00', 'dueDate': '2026-06-18T00:00:00+00:00'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Litespeed Technologies
Litespeed Technologies cpanel Plugin
Vendors & Products Litespeed Technologies
Litespeed Technologies cpanel Plugin
Type Values Removed Values Added
Title Symlink Manipulation Allowing Remote Code Execution in LiteSpeed cPanel Plugin
Type Values Removed Values Added
Description 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.
Weaknesses CWE-61
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 16, 2026, 3:56 AM
Reserved
Jun 14, 2026, 3:23 AM
Status
Analyzed
Published
Jun 14, 2026, 4:16 AM
Modified
Jul 23, 2026, 9:10 AM