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Known exploited vulnerabilities

LiteSpeed vulnerabilities attackers have used

Every LiteSpeed vulnerability in CISA's Known Exploited Vulnerabilities catalog, newest first, with the federal due date and whether it fed ransomware campaigns.

The short answer

CISA lists 2 LiteSpeed vulnerabilities as exploited in the wild, 2 of them added in the last 12 months. The most recent is CVE-2026-54420, added Jun 15, 2026. cPanel Plugin has the most entries (2).

In KEV, all time
2
Added, last 12 months
2
Used in ransomware
0
New CVEs this week
0

Every LiteSpeed entry in CISA KEV

  1. CVE-2026-54420

    Added · due

    LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability

    LiteSpeed cPanel plugin contains a UNIX symbolic link (Symlink) following vulnerability that could allow a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS.

  2. CVE-2026-48172

    Added · due

    LiteSpeed cPanel Plugin Privilege Escalation Vulnerability

    LiteSpeed cPanel Plugin contains privilege escalation vulnerability that is exposed via the user-end cPanel plugin, which can be abused by any cPanel user account to execute arbitrary scripts with root privileges.

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