Privilege escalation in Litespeedtech Litespeed_cpanel_plugin
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…
EPSS: 0.080 (92.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2026-48172?
- CVE-2026-48172 is a critical-severity vulnerability in Litespeedtech Litespeed_cpanel_plugin, classified under Incorrect Privilege Assignment. CVSS score: 9.8/10. Published 2026-05-21.
- How severe is CVE-2026-48172?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-48172 known to be exploited?
- Yes. CVE-2026-48172 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-05-26), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.