Deployment of mitigations for "Copy Fail" (CVE-2026-31431)

Incident Report for Exonet

Resolved

This incident has been resolved.
Posted Apr 29, 2026 - 23:45 CEST

Monitoring

All updates and mitigations have been applied, and the affected services are no longer vulnerable. A Linux kernel update is not yet available, as Linux distributions were not informed in advance of this disclosure. We will deploy an updated kernel as soon as it becomes available. Any additional maintenance required for kernel updates will be announced by email.
Posted Apr 29, 2026 - 23:12 CEST

Identified

We're currently deploying updates and mitigations for the newly disclosed “Copy Fail” (CVE-2026-31431) vulnerability. This issue affects the Linux kernel and may allow local privilege escalation to root access.

Some services may experience brief interruptions while updates are being deployed.
Posted Apr 29, 2026 - 20:45 CEST
This incident affected: Managed Servers (Compute), Build and Deployments (Builds, Deployments, Container registry), and Managed Apps (Managed Apps).