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CVE-2026-54420

CVSS 8.5 · High EPSS 0.06% · P20

Affected Version Matrix 1

VendorProductVersion RangeStatus
LiteSpeed TechnologiescPanel Plugin2.3< 2.4.8affected
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I. Basic Information for CVE-2026-54420

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-61
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LiteSpeed TechnologiescPanel Plugin 2.3 ~ 2.4.8 -

II. Public POCs for CVE-2026-54420

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III. Intelligence Information for CVE-2026-54420

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Security Blog Posts for CVE-2026-54420 (1)

Vendor Pages for CVE-2026-54420 (1)

IV. Related Vulnerabilities

Same product: cPanel Plugin
Same vendor: LiteSpeed Technologies
Same weakness: CWE-61

V. Comments for CVE-2026-54420

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