Security CVE-2026-31431 (“Copy Fail”): What You Need to Know April 30, 2026 / April 30, 2026 by Corentin C | Leave a Comment CVE-2026-31431 (“Copy Fail”) is a high-severity Linux kernel vulnerability enabling local privilege escalation and container escape. Learn its impact and how to patch or mitigate it effectively. Read more » cve CVE-2026-31431 kernel linux security