AgentsCVE-2026-21858 n8n CVSS 10.0 Agent Workflow Platform RCECyera Research Labs·high signalCritical RCE in n8n via content-type confusion affects 100K servers enables unauthenticated full host takeoverSourceSource pageCyera Research Labs↳ Follow the threadStack layer / Threat patternMitigating Taint-Style MCP Server Vulnerabilities Without Touching Server Code (SPELLSMITH)arXivStack layer / Threat patternSnyk's Evo Agentic Development Security Hit GA June 29 — an Enforcement Layer That Polices MCP Servers and Coding Agents at RuntimeSiliconANGLEStack layer / Threat patternAWS open-sources Loom, an enterprise agent platform built on Strands Agents + Bedrock AgentCore RuntimeAWS Open Source BlogStack layer / Threat patternCROSS-CATEGORY: Three Vendors in Three Unrelated Categories Shipped 'Agents That Supervise Other Agents' Inside Two WeeksVantaPolicy dependency / Threat patternEU Publishes July 2026 Cybersecurity and AI Action Plan Ahead of August AI Act DeadlineEuropean CommissionStack layer / Threat patternUse GaLore, not LoRA, when you actually need full-parameter fine-tuning on one consumer GPUFuture AGIStack layer / Threat patternGoogle Pays a Record $250K Bounty for a Linux Guest-VM EscapeArs TechnicaStack layer / Threat patternGhostApproval: symlink flaw turns human-in-the-loop into a rubber stamp across 6 coding agentsCyber Security News