Cybersecurity
CISA warns of another cPanel plugin flaw exploited in attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given U.S. government agencies three days to secure their servers against an actively exploited vulnerability ( CVE-2026-54420 ) in the LiteSpeed cPanel user-end plugin.
Summary
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given U.S. government agencies three days to secure their servers against an actively exploited vulnerability ( CVE-2026-54420 ) in the LiteSpeed cPanel user-end plugin. Tracked as CVE-2026-48172 , this high-severity vulnerability was reported by Namecheap and allows attackers with FTP or web shell access to escalate privileges to root on shared hosting servers running CloudLinux/CageFS.
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