CISA Urges Immediate Patching of Exploited LiteSpeed cPanel Plugin Zero-Day

SecurityWeek

May 27, 2026 at 6:55 AM

Actively Exploited

Overview

A recently discovered zero-day vulnerability in the LiteSpeed cPanel plugin has been exploited by attackers to execute scripts with root privileges. This security flaw poses a significant risk to users of LiteSpeed's web server and cPanel, particularly those who have not yet applied the necessary patches. The Cybersecurity and Infrastructure Security Agency (CISA) has urged immediate action to patch this vulnerability, which had been actively exploited before it was resolved last week. Failure to address this issue could leave systems vulnerable to further attacks, potentially compromising sensitive data and system integrity. Users are strongly advised to prioritize updates to safeguard their environments.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: LiteSpeed cPanel plugin
Action Required: Users should immediately apply the latest patches provided by LiteSpeed to mitigate the vulnerability.
Timeline: Resolved last week

Original Article Summary

Resolved last week, the vulnerability was exploited in the wild as a zero-day to execute scripts with root privileges. The post CISA Urges Immediate Patching of Exploited LiteSpeed cPanel Plugin Zero-Day appeared first on SecurityWeek.

Impact

LiteSpeed cPanel plugin

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Resolved last week

Remediation

Users should immediately apply the latest patches provided by LiteSpeed to mitigate the vulnerability.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Zero-day, Vulnerability, Patch.

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