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Emergency Patch: CVE-2026-20127 in Cisco Catalyst SD-WAN Actively Exploited Against Critical Infrastructure
BlogOn February 25th, 2026, a new critical severity CVE affecting Cisco Catalyst SD-WAN was both published and added to CISA’s Know Exploited Vulnerabilities (KEV) list. CVE-2026-20127 (CVSS 10) allows an unauthenticated remote attacker to gain administrative access on affected devices. The flaw is classified as an authentication bypass [CWE-287] caused by a faulty peering authentication […]
January 2026 Threat Report: Off to a Raucous Start – Part 2
BlogSo far, 2026 is off to a raucous start. With so much activity in the software vulnerability landscape it’s easy to understand the concerns of global executives discussed in Part 1 of the January 2026 Threat Report. This volatility also highlights the value of Greenbone’s industry-leading detection coverage. In Part 2 of the January Threat […]
January 2026 Threat Report: Off to a Raucous Start
BlogSo far, 2026 is off to a raucous start. The number of critical severity vulnerabilities impacting widely deployed software is staggering. Defenders need to scan widely and scan often to detect new threats in their infrastructure and prioritize mitigation efforts based on the potential impact to business operations, privacy regulations, and other compliance responsibilities. Defenders […]