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CVE-2026-54420

More InfoOfficial Page

LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability

LiteSpeedcPanel Plugin

LiteSpeed cPanel plugin contains a UNIX symbolic link (Symlink) following vulnerability that could allow a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS.

Required Action

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.

Related Information

Vendor/Project:LiteSpeed
Product:cPanel Plugin
CWE:
CWE-61
Used in Ransomware:Unknown

Timeline

Date Added:15 Jun, 2026
Due Date:18 Jun, 2026

Additional Notes

https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-54420
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