https://defend.network/briefings/rails-ruflo-vmware-exchange-zero-days-critical-2026-07-30.html defend.network en 2026-07-30T06:30:00Z Critical zero-days in Rails, Ruflo, VMware; Laundry Bear exploits Exchange OWA https://defend.network/briefings/openai-artifactory-openwrt-critical-exploits-2026-07-29.html defend.network en 2026-07-29T06:30:00Z OpenAI exploits Artifactory zero-days; OpenWrt, vBulletin critical RCEs patched https://defend.network/briefings/dysphoria-botnet-arista-velocloud-n8n-rce-2026-07-28.html defend.network en 2026-07-28T06:30:00Z Dysphoria botnet reaches 200k devices; Arista VeloCloud, n8n zero-days exploited