AgentCap: Capability-Based Runtime Authorization for Secure LLM Agent Execution

# AgentCap: Capability-Based Runtime Authorization for Secure LLM Agent Execution

https://gcdradar.vercel.app/incidents/agentcap-capability-based-runtime-authorization-for-secure-l · AIR-2026-1736 · live

- Lane: Research
- Severity: 1 (Research / proof of concept): Research paper demonstrating LLM agent security risks and proposing a runtime defense layer.
- Fix status: Fix status unknown
- First reported: 2026-11-03
- AI role: Attack on AI
- Products: AgentCap

## Summary

Researchers explore how indirect prompt injection can hijack language-model agent reasoning to execute unauthorized actions when action selection and authorization are combined. They present a runtime authorization layer called AgentCap to externalize and mediate tool invocations.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-11-03: AgentCap: Capability-Based Runtime Authorization for Secure LLM Agent Execution (https://arxiv.org/abs/2611.00729)

## Sources

- 2026-11-03 arXiv: AgentCap: Capability-Based Runtime Authorization for Secure LLM Agent Execution https://arxiv.org/abs/2611.00729

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.