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What's in Your Agent's Context? Context Privilege Escalation Attacks against AI Agent Harness

New attack class targets AI agent harnesses: manipulating opaque context-assembly pipelines lets adversaries escalate privileges, a risk enterprises adopting agentic AI must address now.

Summary written by editorial AI · Source link below

Filed by arXiv Crypto & Security1 min readRead at source ↗

arXiv:2609.01222v1 Announce Type: new Abstract: Real-world, high-profile AI agent harnesses often rely on vendor-proprietary or opaque designs for context assembly, leaving the sources and underlying logic of assembled context poorly understood and the resulting security risks largely unexplored. In this paper, we present the first systematic analysis of context assembly designs in real-world AI agent harnesses. We study and uncover how an agent harness is designed to collect and assemble conte

Editorial Analysis

Why it matters

Enterprises deploying AI agents with tool-use capabilities face a concrete risk: opaque context assembly creates an attack surface for privilege escalation that conventional access controls don't cover.

What to do

Require full context-provenance auditability and least-privilege context access before deploying any AI agent harness in production.

Board brief

AI agent frameworks used in enterprise can be attacked through their opaque context pipelines, enabling privilege escalation that bypasses traditional controls.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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