CVE-2026-20316

Pierluigi Paganini September 11, 2026
Attackers Exploit Critical Cisco FMC Flaw to deploy Qilin ransomware

Three threat groups are exploiting two Cisco FMC flaws to steal credentials, gain root access and deploy Qilin ransomware. Cisco Talos says three separate threat groups are exploiting two recently patched Secure Firewall Management Center (FMC) flaws. The main target is CVE-2026-20079, a critical authentication bypass that lets unauthenticated attackers remotely bypass security controls, run […]