Cisco says three threat clusters exploited two patched FMC flaws to gain access, steal credentials, and deploy Qilin ransomware.

Cisco has confirmed that a maximum-severity authentication bypass vulnerability tracked as CVE-2026-20079 in its Secure Firewall Management Center (FMC) software is being actively…

Cisco and CISA are warning organizations that a Secure FMC vulnerability tracked as CVE-2026-20079 is being exploited in attacks.