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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| LiteSpeed Technologies | cPanel Plugin | 2.3 – < 2.4.8 | 2.4.8 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 4 repositories
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mahfuzreham/litespeed-cpanel-cve-2026-54420-fix ★ 3 · Jun 16, 2026
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HORKimhab/CVE-2026-54420 ★ 1 · Jun 16, 2026
CVE-2026-54420
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fevar54/CVE-2026-54420-LiteSpeed-Symlink-Exploit ★ 0 · Jun 18, 2026
PoC de CVE-2026-54420: explotacion via symlink en el plugin LiteSpeed de cPanel/WHM.
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Resellnom/litespeed-cpanel-cve-2026-54420-fix ★ 0 · Jun 16, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.