CVE-2026-54420

FAUCET Score

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.

First published: Jun 14, 2026Last modified: Jun 15, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 2.4.8CPE matchmatch criteria	cpe:2.3:a:litespeedtech:litespeed_cpanel_plugin::::::::
		< 5.3.2.0CPE matchmatch criteria	cpe:2.3:a:litespeedtech:litespeed_whm_plugin::::::::

CVSS Data

CVSS version used by this source: 3.1

8.5HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

6.0

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.44%

Probability of exploitation in next 30 days

EPSS Percentile

70.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

Added to KEV · Jun 15, 2026

This CVE's current EPSS score of 0.0144 is in the 66th percentile among its peer group of 1,162 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog

US Government Resource

blog.litespeedtech.com / 2026/06/01/security-update-for-litespeed-cpanel-plugin-2

Vendor Advisory

litespeedtech.com / products/litespeed-web-server/control-panel-support/cpanel

Product