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Cisco has disclosed a seventh SD-WAN zero-day exploited in 2026, tracked as CVE-2026-20245. The flaw affects the command-line interface of Cisco Catalyst SD-WAN Manager and can allow an authenticated remote attacker with netadmin privileges to execute arbitrary commands as root by uploading a crafted file. Cisco says exploitation has already been observed in limited cases, […]

A newly disclosed denial-of-service vulnerability, tracked as CVE-2026-49975, shows how long-known HTTP/2 weaknesses can still be chained into a highly effective modern attack. SecurityWeek reports that researchers at Calif demonstrated an HTTP/2 Bomb exploit capable of knocking major web servers offline within seconds by combining a compression bomb with a Slowloris-style hold that prevents the […]

CVE-2026-20230: Cisco Unified CM WebDialer SSRF Can Lead to Root-Level Compromise Cisco has released fixes for CVE-2026-20230, an unauthenticated remote vulnerability affecting Cisco Unified Communications Manager (Unified CM) and Unified CM Session Management Edition (SME). The flaw is an SSRF issue that can be chained into an arbitrary file write on the underlying operating system, […]

Dark Web Profile: Vect Ransomware Most new ransomware operations spend their first months in the shadows, courting affiliates one at a time on closed forums. Vect did the opposite. Within four months of its December 31, 2025 debut on a Russian-language cybercrime forum, the group had published its first 25 victims across five continents, formalized […]