CVE-2026-48172: LiteSpeed cPanel Plugin Privilege Escalation Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

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.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-48172

Weakness behind it

CISA records this vulnerability as an instance of CWE-266. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-48172
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog