CVE-2026-54420
In-the-Wild Activity Observed github_trending · low cisa_kev · confirmed
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1068 · Exploitation for Privilege EscalationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| LiteSpeed Technologies | cPanel Plugin | 2.3< 2.4.8 | affected |
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I. Basic Information for CVE-2026-54420
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5
Vulnerability Title
LiteSpeed cPanel Plugin 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
litespeedtech litespeed cpanel plugin是litespeedtech的插件。 LiteSpeed cPanel Plugin 2.4.8之前版本存在后置链接漏洞，该漏洞源于对符号链接处理不当，可能导致具有FTP或Web shell访问权限的用户滥用符号链接。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| LiteSpeed Technologies | cPanel Plugin | 2.3 ~ 2.4.8 | - |
II. Public POCs for CVE-2026-54420
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Security Blog Posts for CVE-2026-54420 (1)
Vendor Pages for CVE-2026-54420 (1)
IV. Related Vulnerabilities
Same vendor: LiteSpeed Technologies
- CVE-2026-48172
LiteSpeed User-End cPanel Plugin 安全漏洞 - CVE-2026-31386
LiteSpeed Web Server Enterprise和LiteSpeed OpenLiteSpeed 操作系统 - CVE-2024-51915
WordPress LiteSpeed Cache plugin <= 6.5.2 - Cross Site Scrip - CVE-2021-47855
Openlitespeed 1.7.9 - 'Notes' Stored Cross-Site Scripting - CVE-2025-47437
WordPress LiteSpeed Cache plugin <= 7.0.1 - Server Side Requ
Same weakness: CWE-61
- CVE-2026-47766
crun follows rootfs /dev symlink while creating default devi - CVE-2026-53802
rsync < 3.5.0 Arbitrary File Read via Symlink Following - CVE-2026-47763
pdm: Project-Local State and Config Writes Follow Symlinks - CVE-2026-54574
`proot-distro install` has a Symlink Escape (Arbitrary Host - CVE-2026-56748
Authenticated RCE via Symlink Following in Cribl Stream Pack
V. Comments for CVE-2026-54420
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