Researchers Uncover Pre-Stuxnet ‘fast16’ Malware Targeting Engineering Software

A multi-article roundup from The Hacker News (Apr 22–25, 2026) covering active exploitation, supply‑chain compromises, APT activity, and high‑severity vulnerabilities. Highlights include the discovery of a pre‑Stuxnet Lua sabotage framework dubbed “fast16”; CISA adding four actively exploited flaws (including CVE‑2024‑57726) to its KEV list; the FIRESTARTER backdoor compromising a federal Cisco Firepower/ASA device; rapid in‑the‑wild exploitation of LMDeploy CVE‑2026‑33626; the Bitwarden CLI package compromise tied to a Checkmarx supply‑chain campaign; malicious Checkmarx/KICS Docker images &恶