Newsn8n Critical RCE CVE-2026-21858 CVSS 10.0 Ni8mareCSO Online·high signalXBlueskyLinkedInCopy linkCVSS 10.0 unauthenticated RCE in n8n workflow platform affects 100K servers, content-type confusion enables full host takeoverSourceSource pageCSO Online↳ Follow the threadPolicy dependency / Stack layerPython's Import Statement Is an Execution Boundary: 90% of Initialization-Activated Advisory Vulnerabilities Are High or CriticalarXiv 2609.14791Stack layer / Threat patternElva Launches Against Postman With Flat Workspace Pricing and Specs Generated From Repo CommitsElva (surfaced via the Product Hunt daily leaderboard for 2026-09-14)Stack layer / Threat patternGemini CLI ships an external-context processor to stop indirect prompt injection through build filesGitHubStack layer / Threat patternn8n 2.40.0 preserves empty-text Anthropic thinking blocks across tool calls and enforces execution timeouts on stuck queue jobsGitHubStack layer / Threat patternCline Leaves the IDE: a Standalone Desktop Agent That Imports Claude Code and Codex Sessions and Schedules Recurring PR ReviewsCline GitHub releases (launch reported by RuntimeWire, version cadence verified on the repo)Stack layer / Threat patternSnyk put its agent-skill scanner behind a free web page called Skill InspectorSnyk LabsPolicy dependency / Stack layerRIPPLE: an edit confined to one prompt-policy segment changes downstream behavior, so replay candidate edits after previously accepted ones before persistingarXiv 2609.12127Stack layer / Threat patternA critical unauthenticated RCE in the Bifrost MCP gateway: registering a stdio client runs a program on the boxNVD