Anthropic's commerce-agents framework has a documented security contract stating that delegates cannot write, present, or invoke other delegates. However, a security researcher demonstrated that by manipulating the delegate's authority and placing a malicious delegate in the same slot, the contract could be bypassed. This allowed the malicious delegate to stage changes, present them to the operator, and call a second delegate, which was refused on a subsequent run due to the imposed authority restrictions. The researcher highlighted that the framework's security relies on the specific shape and declared tools of a delegate, rather than a universally enforced contract. AI
IMPACT Highlights potential vulnerabilities in agent frameworks where security relies on delegate shape rather than strict contract enforcement.
RANK_REASON Security researcher demonstrates a bypass of a documented security contract in Anthropic's commerce-agents framework.
Read on dev.to — Anthropic tag →
- ANALYSIS_READ_TOOLS
- Anthropic
- attenu-guard
- BaseToolExecutor
- commerce-agents
- DelegationContext
- MerchantToolExecutor
- Python
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