Fiche vulnérabilité
CVE-2026-54420 : faille exploitée litespeedtech litespeed cpanel plugin (CVSS 8.5)
Description
LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026.
En bref
- Sévérité
- Élevée (CVSS 8.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- Exploitation active
- Oui, inscrite au catalogue CISA KEV
- Publication
- 14 juin 2026
- Dernière mise à jour
- 23 juil. 2026
Produits concernés
- litespeedtech litespeed cpanel plugin
- litespeedtech litespeed whm plugin
Correctif et mesures
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.