OWASP agentic applications top 10: what changes for IAM teams?

TL;DR: The OWASP Top 10 for Agentic Applications 2026 frames AI agent risk around hijacking, tool misuse, identity abuse, supply chain compromise, and cascading failures, with three of the top four risks tied to identities and delegated trust, according to Astrix Security. That makes agent governance an identity problem first, because access review models assume stable actors, not systems that combine credentials and act at runtime.

NHIMG editorial — based on content published by Astrix Security: OWASP Top 10 for Agentic Applications 2026 and identity risk analysis

Questions worth separating out

Q: How should security teams govern AI agents that use multiple tools and credentials?

A: Govern AI agents as non-human identities with explicit scope, ownership, and revocation paths.

Q: Why do AI agents complicate traditional least-privilege models?

A: AI agents complicate least privilege because the actor’s intent and execution path are not fully known at provisioning time.

Q: What do security teams get wrong about agentic supply chain risk?

A: They often focus on code provenance and miss the live trust relationship behind the tool or endpoint.

Practitioner guidance

• Inventory every agent-held credential Map API keys, OAuth tokens, delegated sessions, service accounts, and tool credentials to each agent and sub-agent.
• Constrain tool use by action boundary Define which tools an agent may invoke, what data each tool may touch, and which tool sequences are never permitted.
• Verify external tool identity before connection Require identity and integrity checks for MCP endpoints, dynamic tool definitions, and third-party agent services before access is granted.

What's in the full article

Astrix Security's full blog covers the operational detail this post intentionally leaves for the source:

• The complete ASI01 to ASI10 risk breakdown with practical examples of where each failure mode appears in agentic environments.
• Identity-centric incident patterns involving tool misuse, delegated access, and agent-to-agent trust abuse.
• The article’s view of how MCP changes the trust boundary between agents, tools, and connected data sources.
• Astrix Security’s own explanation of how identity visibility is used to detect misuse across agent ecosystems.

👉 Read Astrix Security's analysis of the OWASP Agentic Applications Top 10 →

OWASP agentic applications top 10: what changes for IAM teams?

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