Vulnerability details

CVE-2026-54420

Actively exploited

LiteSpeed Technologies cPanel Plugin

CVSS 3.1

8.5High

Official 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.

CVSS scores

Score	Version	Source	Vector
8.5High	3.1	CVEProject cvelistV5 (CNA) (mitre)	`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
LiteSpeed Technologies	cPanel Plugin	2.3 ≤ v < 2.4.8	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2026-06-14
Last updated: 2026-06-16
State: Published
Assigner (CNA): mitre
Kolun priority: 71 · High

CISA KEV catalog

Date added: 2026-06-15
Due date: 2026-06-18
Used in ransomware: Unknown

Exploit prediction (EPSS)

1.43%

Probability of exploitation in 30 days

73.3%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Active
Technical impact: Total

Weaknesses (CWE)

CWE-61
UNIX Symbolic Link (Symlink) Following