CVE-2026-54420

8.5 HIGH CISA KEV - Actively Exploited
Published: June 14, 2026 Modified: June 16, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/
Source: cve@mitre.org
Vendor Advisory
https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel
Source: cve@mitre.org
Product
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-54420
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.5 / 10.0
EPSS (Exploit Probability)
0.7%
46th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-06-18

Weaknesses (CWE)

CWE-61

Affected Vendors

litespeedtech

Related CVEs

CVE-2026-48777 N/A
CVE-2026-47750 7.8
CVE-2026-47747 7.8
CVE-2026-46448 5.4
CVE-2026-22313 9.1