CVE-2026-48172LiteSpeed cPanel Plugin Privilege Escalation Vulnerability
LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to root), as exploited in the wild in May 2026. Detection is best done via a command line of grep -rE "cpanel_jsonapi_func=redisAble" /var/cpanel/logs /usr/local/cpanel/logs/ 2>/dev/null in Bash. If you get no output, you have not been hit with exploitation of the vulnerability. If there is output, we recommend you examine the IP addresses in the list, determine if they are valid IP addresses, and if not, block them. To determine damage done, examine the system logs for use by the detected IP addresses. The issue is related to mishandling of Redis enable/disable features. The recommended minimum version is 2.4.7.
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 4.0mitre (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due May 29, 2026
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2026-48172
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- May 21, 2026
- Last modified
- 2026-10-07 19:17 UTC
- Weaknesses
- CWE-266 · Incorrect Privilege Assignment
Affected Products
As published by the CNA in the CVE record.
LiteSpeed TechnologiescPanel Plugin1 version range
- 2.3 before 2.4.7
LiteSpeed TechnologiesWHM Plugin1 version range
- before 5.3.1.0
References
- blog.litespeedtech.com https://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/
- litespeedtech.com https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel
- litespeedtech.com https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/release-log
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48172