1,740 new vulnerabilities, 147 critical. From F5 crashes to a Trivy supply chain attack, hereβs your high-priority triage list for March 2026.
CVE-2025-53521
CISA adds F5 BIG-IP RCE (CVE-2025-53521) to its KEV Catalog. With a 9.8 CVSS score and active exploits, federal agencies must patch by March 30, 2026.