CVE-2026-54420
Quick assessment
Affected
LiteSpeed Technologies cPanel Plugin
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。
In-the-Wild Activity Observed
github_trending · low
cisa_kev · confirmed
Possible ATT&CK Techniques 2 AI
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 |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-54420
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
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 POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-54420
请登录查看更多情报信息。
Security Blog Posts for CVE-2026-54420 (1)
Vendor Pages for CVE-2026-54420 (1)
IV. Related Vulnerabilities
Same vendor: LiteSpeed Technologies
-
CVE-2026-84761
WordPress LiteSpeed Cache plugin <= 7.9 - Server Side Reques -
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
Same weakness: CWE-61
-
CVE-2026-97024
Flatpak: flatpak: arbitrary write in root context via path t -
CVE-2026-97023
Flatpak: flatpak: arbitrary file deletion in root context vi -
CVE-2026-96808
Flatpak 1.18.1前符号链接遍历致本地提权 -
CVE-2026-96807
Flatpak 1.18.1前ld.so符号链接致任意文件写入 -
CVE-2026-91202
Cockpit-files: cockpit-files: arbitrary file ownership chang
V. Comments for CVE-2026-54420
No comments yet