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High Actively ExploitedLiteSpeed

CVE-2026-54420

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.

CVSS Base Score
8.5

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploit Probability
67%EPSS PERCENTILE0100

More exploitable than 67% of all CVEs · Top 33%

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Details
Published
2026-06-14
Last modified
2026-07-23
Added to CISA KEV
2026-06-15
Affected
LiteSpeed
References
NVD Detail OSV.dev GitHub Advisories

Related exploited CVEs in LiteSpeed

CVE-2026-48172
Critical · 9.8 CVSSLiteSpeed

Data from the National Vulnerability Database (NVD), CISA KEV, and FIRST.org EPSS. This product uses the NVD API but is not endorsed or certified by the NVD. EPSS is a probability estimate, not a guarantee of exploitation.