CVE-2026-54420

State: Published
Severity: 8.5 High
Published: Jun 14, 2026
Updated: Jun 16, 2026
Reserved: Jun 14, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	mitre

Weaknesses

CWE-61 UNIX Symbolic Link (Symlink) Following

Affected Products

Product	Versions
cPanel PluginLiteSpeed Technologies	2.3 to before 2.4.8Affected

References

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

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