critical9.8Known exploited
CVE-2026-48172
LiteSpeed cPanel Plugin Privilege Escalation Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-05-26. Federal due date: 2026-05-29.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Litespeedtech | Litespeed Cpanel Plugin | before 2.4.7 |
| Litespeedtech | Litespeed Whm Plugin | before 5.3.1.0 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/
- https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel
- https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/release-log
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48172