CVE-2026-54420

HighCVSS 8.5/10Known exploited (CISA KEV)Last modified Jul 23, 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.

Metrics

CVSS 3.1 8.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-61

Affected software

No affected versions have been published.

Timeline

Published: Jun 14, 2026
Last modified: Jul 23, 2026
Added to CISA KEV: Jun 15, 2026
NVD status: Analyzed

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