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

criticalknown exploitedpublic exploitCVE-2026-48172
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: LiteSpeedproduct: LiteSpeed cPanel PluginPrivilege escalation
What
LiteSpeed cPanel Plugin contains a privilege escalation vulnerability that can be abused by any cPanel user account to execute arbitrary scripts with root privileges.
Who is affected
Any cPanel user with access to the LiteSpeed cPanel Plugin.
Urgency
Remediation is critical due to the potential for arbitrary code execution and active exploitation.
Action
Users should apply the latest security patch for the LiteSpeed cPanel Plugin.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-05-26
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-48172

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-48172coverage & exploitation statusNVD · CVE.org

Recent advisories for LiteSpeed cPanel Plugin

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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