Zero-Day Risk in AI Agents, MCP Servers and Skills: A Defender's Guide
A zero-day in an agent stack reaches whatever the agent can touch. Inventory agents, MCP servers and skills, cut standing access, and gate fixes fast.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
A zero-day in an agent stack reaches whatever the agent can touch. Inventory agents, MCP servers and skills, cut standing access, and gate fixes fast.
Since 11 September 2026, CRA Article 14 gives manufacturers 24 hours to warn of an exploited flaw. An hour-by-hour workflow, and where Safeguard fits.
How coordinated disclosure works: who assigns CVE IDs, the 72 hour CNA rules, how embargoes hold, and where 90+30, 45 and 7 day deadlines come from.
GTIG tracked 90 exploited zero-days in 2025, 48% in enterprise tech. What GTIG and Project Zero data says on vendors, product types and timing.
Add one shell step that runs safeguard ci scan with a SAFEGUARD_API_KEY secret, then fail pull requests and release builds on severity or a policy gate.
Gold Open Source is a free, no-login directory of packages, images, AI models, MCP servers, agent skills and chip makers. Here is what each page shows.
Look up any public MCP server free on gold.safeguard.sh: publisher namespace, version, remote or package, transport, source repo and license notes.
In the first 24 hours of a zero-day: find every affected component, check exposure and reachability, mitigate, patch with reviewed PRs, then report.
A zero-day is exploited before a fix is public. A 1-day is hit just after the patch, an n-day long after. Definitions, dated cases and what to do in each.
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