Vulnerability Intelligence Report
LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability
CVE-2026-54420
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.5
HIGH
Exploitability:1.8
Impact Score:6.1
EPSS Probability:1.26%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-61 ↗CWE-61 UNIX Symbolic Link (Symlink) Following
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| LiteSpeed Technologies | cPanel Plugin | 2.3 < 2.4.8 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2026-06-14T03:23:12 |
| Published | 2026-06-14T03:23:12 |
| Last Updated | 2026-06-16T03:56:05 |
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