"Copy Fail" Lands on CISA's KEV: A Nine-Year-Old Linux Bug Becomes a Patch Deadline
On May 1, 2026, CISA added CVE-2026-31431, better known as "Copy Fail," to its Known Exploited Vulnerabilities (KEV) catalog. Federal civilian agencies have until May 15 to patch under BOD 22-01. Everyone else should read that deadline as a strong hint.