Security Advisory: Linux Privilege Escalation Vulnerability (CVE-2026-31431)

Incident Report for Liquid Web - Services

Identified

A recently disclosed Linux vulnerability (CVE-2026-31431), sometimes referred to as “Copy Fail,” affects certain Linux distributions and may allow a local, unprivileged user to escalate privileges under specific conditions. This issue has been classified as high severity.

Status
Our security and operations teams have completed an assessment of our infrastructure and have applied all relevant vendor patches and mitigations to affected systems.

Impact
No evidence of exploitation has been identified within our environment
Systems under our management have been patched or otherwise mitigated

Customer Guidance
Customers managing their own systems or using unmanaged services should ensure they have applied the latest security updates provided by their Linux distribution and review any related vendor advisories.

We will continue monitoring this vulnerability and will provide updates if new information becomes available.
Posted May 11, 2026 - 18:12 EDT
This incident affects: Cloud Dedicated, Cloud VPS Hosting, and CPanel.