SECURELYN

CVE-2026-48172

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 iss…

Scores

10.0
CVSS 10.0 out of 10, critical severity.
1%
EPSS 1% chance of exploitation in the next 30 days.

The facts

Published
21 May 2026
Last changed
7 October 2026
NVD status
Analyzed
Severity
Critical, CVSS 10.0 out of 10 (version 4.0)
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R…
Weakness
Affects
  • litespeedtech litespeed cpanel plugin
  • litespeedtech litespeed whm plugin
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 26 May 2026.
EPSS
1.0% chance of exploitation activity in the next 30 days (percentile 63).

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References