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

Summary

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

This incident has been resolved.

• Started

  May 11, 2026 · 6:12 PM

• Resolved

  Jun 6, 2026 · 5:50 PM

• Duration

  25d 23h 37m

• Severity

  Major

• ◆

  Identified

  May 11 · 6:12 PM Liquid Web

  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.

• ✓

  Resolved

  Jun 6 · 5:50 PM Liquid Web

  This incident has been resolved.