HIGHCVSS 8.5KNOWN EXPLOITED

CVE-2026-54420

CVE-2026-54420 updated by NVD

Published: 2026-06-15
Modified: 2026-07-31
Sources: cisa-kev, nvd

Summary

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.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-54420

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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