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Activamente explotadaCVSS 9.8 · CRITICAL

CVE-2026-48172

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.

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Análisis

El plugin de LiteSpeed para cPanel y WHM permite a cualquier usuario autenticado escalar privilegios hasta nivel root mediante la ejecución de scripts arbitrarios. Esta vulnerabilidad está siendo explotada activamente en entornos reales y compromete la integridad de todo el servidor Linux. Es fundamental actualizar a la versión 2.4.7 de inmediato para evitar el control total del sistema por parte de atacantes.

Roles relevantes

BackendCyberSecurityLinuxPhpCloud

Severidad

Puntaje: 9.8(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Tipo de falla (CWE): CWE-266

CISA KEV

Agregada al KEV: 2026-05-26
Fecha límite federal: 2026-05-29
Uso conocido en ransomware: Unknown
Acción requerida

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS

Probabilidad de explotación (próx. 30 días): 0.0796 (8.0%)
Percentil: 92.2%
EPSS: 2026-06-09

Afecta

litespeedtech:litespeed_cpanel_pluginlitespeedtech:litespeed_whm_plugin

Descripción técnica

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.

Publicada: 21/5/2026, 2:16:33
Última modificación: 26/5/2026, 20:19:13

Referencias

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