CVE entry · CVE-2026-48172
CVE-2026-48172: 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.
- Actively exploited: added to CISA’s KEV catalog on May 26, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: May 29, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes LiteSpeed cPanel Plugin, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (blog.litespeedtech.com)
- NVD entry (NIST)
- CISA KEV catalog