CVE-2026-48172CRITICAL 9.8CISA KEVEPSS p65.1%

CVE-2026-48172LiteSpeed cPanel Plugin Privilege Escalation Vulnerability

LiteSpeed / cPanel Plugin

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS1.23% probability of exploitation · percentile 65.1% · 2026-06-19T12:03:05Z
Published2026-05-21
Last modified2026-05-26

CISA KEV entry

Added to KEV: 2026-05-26

Underlying weaknesses· 1

CWE-266

References

  1. https://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/
  2. https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel
  3. https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/release-log
  4. https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48172

1

TypeTargetConfidenceTier
WeaknessIncorrect Privilege Assignmentcwe-2660%live

(incoming)1

TypeTargetConfidenceTier
KEVEntryLiteSpeed cPanel Plugin Privilege Escalation Vulnerabilitykev-cve-2026-481720%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.