CVE-2026-54420
CVSS Score
8.5
EPSS Score
0.3%
EPSS Percentile
26th
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.
| CWE | CWE-61 |
| Vendor | litespeed technologies |
| Product | cpanel plugin |
| Published | Jun 14, 2026 |
| Last Updated | Jun 16, 2026 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
LiteSpeed Technologies / cPanel Plugin
2.3 < 2.4.8
References
litespeedtech.com: https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel blog.litespeedtech.com: https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/ cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-54420