LiteSpeed cPanel Plugin Privilege Escalation Vulnerability (CVE-2026-48172)
Severity: critical · Patch status: unknown · Since 2026-05-26 · CVE-2026-48172
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. CISA added CVE-2026-48172 to its Known Exploited Vulnerabilities catalog on May 26, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by May 29, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch