CISA gives feds 4 days to patch actively exploited cPanel plugin flaw

BleepingComputer

May 27, 2026 at 10:06 AM

Actively Exploited

Overview

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning to federal agencies, giving them only four days to patch a serious vulnerability in the LiteSpeed cPanel user-end plugin. This flaw is currently being exploited in active attacks, raising significant concerns about the security of servers using this software. Agencies are urged to take immediate action to protect their systems from potential breaches. The situation emphasizes the need for quick responses to known vulnerabilities, especially in government infrastructure, where the impact of a security breach could be severe. Failure to address this could lead to unauthorized access and data compromise.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: LiteSpeed cPanel user-end plugin
Action Required: Federal agencies must apply patches to the LiteSpeed cPanel user-end plugin within four days to mitigate the vulnerability.
Timeline: Newly disclosed

Original Article Summary

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given U.S. federal agencies four days to secure their servers against a critical vulnerability in the LiteSpeed cPanel user-end plugin, which is actively being exploited in attacks. [...]

Impact

LiteSpeed cPanel user-end 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

Newly disclosed

Remediation

Federal agencies must apply patches to the LiteSpeed cPanel user-end plugin within four days 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 Vulnerability, Patch, Critical.

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