OWASP LLM Top 10 / LLM06

LLM06: Excessive Agency

Tools and plugins granted to an agent exceed the principle of least privilege.

Last reviewed June 2026

Problem

The gap LLM06 closes

Excessive Agency sits in the agent permissions surface, and OWASP LLM Top 10 rates it critical. Tools and plugins granted to an agent exceed the principle of least privilege. For teams shipping LLM and agentic features, a control like this is only as good as the evidence that it was actually tested - an unverified control is a finding waiting for an auditor.

How Penaxtra approaches it

How Penaxtra delivers LLM06

Penaxtra ships adversarial probe families that target excessive agency directly. Each probe runs against your live endpoint on a schedule, and every triggering response is scored by three independent judges plus a meta-judge before it becomes a finding - so a LLM06 result is a tested verdict, not a guess. Every relevant finding is created with the OWASP LLM Top 10 LLM06 identifier already attached, so it lands in the audit-evidence pack mapped to the control rather than as a screenshot someone has to translate later. Where the same weakness touches another framework, the cross-framework overlap means one finding satisfies several control cells at once.

Technical capabilities

LLM06 capabilities

Probe and check coverage aligned to LLM06 (Excessive Agency)

Findings tagged with the OWASP LLM Top 10 LLM06 control identifier

Severity context (OWASP LLM Top 10 rates this critical)

Cross-framework overlap so one finding maps to several control cells

PDF and JSON audit-evidence export with the control id attached

Compliance mapping

LLM06 compliance mapping

Findings for LLM06 carry the OWASP LLM Top 10 LLM06 identifier and cross-map to the related controls in the other five frameworks Penaxtra covers.

FAQ

Frequently asked

What is LLM06 (Excessive Agency)?

Tools and plugins granted to an agent exceed the principle of least privilege. It is part of OWASP LLM Top 10, rated critical.

How does Penaxtra test for LLM06?

Penaxtra ships adversarial probe families that target excessive agency directly. Each probe runs against your live endpoint on a schedule, and every triggering response is scored by three independent judges plus a meta-judge before it becomes a finding - so a LLM06 result is a tested verdict, not a guess.

Does a finding for LLM06 help with an audit?

Yes. Each finding is tagged with the OWASP LLM Top 10 LLM06 control identifier and exported in the PDF and JSON evidence pack, so it maps straight onto the auditor control list instead of needing manual translation.

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