#cve-2026-20316

The Hacker NewsSep 11, 2026critical

Cisco FMC Flaws Exploited to Steal Credentials and Deploy Qilin Ransomware

Three threat clusters including a Sandworm-linked group and Qilin ransomware operators exploit Cisco FMC flaws CVE-2026-20079 and CVE-2026-20316.

SecurityWeekSep 10, 2026critical

Organizations Warned of Cisco Secure FMC Exploitation

Cisco and CISA warn that critical FMC authentication bypass CVE-2026-20079 is actively exploited; CISA added it to the KEV catalog with a September 12 deadline.

Cisco TalosSep 9, 2026critical

Active exploitation of Cisco Secure Firewall Management Center vulnerabilities

Cisco Talos reports in-the-wild exploitation of critical FMC flaw CVE-2026-20079 by three clusters including a Sandworm-linked APT and Qilin ransomware affiliates.

The Hacker NewsAug 6, 2026critical

Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data

Help Net SecurityAug 2, 2026critical

Week in review: Claude breached three companies during tests, AD CS domain-takeover PoC released

Security AffairsJul 30, 2026critical

U.S. CISA adds a Cisco Secure Firewall Management Center (FMC) flaw to its Known Exploited Vulnerabilities catalog

Help Net SecurityJul 30, 2026critical

Cisco FMC static credentials exploited by attackers (CVE-2026-20316)