Zero — agentic threat model
Zero presents a high-risk profile primarily due to its deep integration with the user's email inbox, making it highly susceptible to indirect prompt injection attacks via incoming emails. Without explicit security controls or human-in-the-loop constraints detailed in the listing, a compromise could lead to severe data exfiltration and unauthorized actions.
OWASP AIVSS score rationale
| Autonomy of Action | 0.60 | |
| Goal-Driven Planning | 0.40 | |
| Self-Modification | 0.10 | |
| Dynamic Tool Use | 0.60 | |
| Persistent Memory | 0.50 | |
| Contextual Awareness | 0.70 | |
| Dynamic Identity | 0.30 | |
| Multi-Agent Interactions | 0.10 | |
| Non-Determinism | 0.50 | |
| Opacity & Reflexivity | 0.60 |
Scored with the canonical OWASP AIVSS formula (AIVSS calculator reference); agentic risk factors estimated from the agent’s described capabilities.
MAESTRO 7-layer threat model
Per-layer threats for this agent. Layers tagged “not certain from listing” are general, caveated commentary where the public description didn’t pin that layer.
Not certain from the listing — The underlying foundation models are not specified. However, as an email client, the model is highly vulnerable to indirect prompt injection from incoming emails, which could reprogram the model to exfiltrate data or draft malicious replies.
Not certain from the listing — The data operations, vector databases, or RAG mechanisms used to index the inbox are not detailed. There is a strong risk of data poisoning if malicious emails are indexed into the agent's active context or memory.
Not certain from the listing — The orchestration framework is unspecified. The primary threat is tool misuse, where the agent could be manipulated into executing email actions (sending, deleting, or moving messages) without explicit user consent.
Not certain from the listing — The deployment architecture (local client vs. cloud-hosted service) is unknown. If cloud-hosted, compromise of the infrastructure could expose OAuth tokens or IMAP/SMTP credentials for users' email accounts.
Not certain from the listing — No observability, logging, or guardrail mechanisms are mentioned. This creates a blind spot where malicious prompt injections or unauthorized email drafts could go undetected until sent.
Not certain from the listing — No compliance certifications (e.g., SOC 2) or specific access control policies are described. The agent requires broad read/write access to the user's inbox, presenting a significant compliance and privacy risk.
Not certain from the listing — There is no mention of multi-agent orchestration or marketplace integrations. The ecosystem risk is currently low, restricted to direct interactions between the user, the agent, and external email senders.
MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).
These scores are auto-generated from public information (the agent's own listing, docs, and repository) using the canonical OWASP AIVSS formula and the MAESTRO framework — an estimate for guidance, not a penetration test, audit, or certification. See the scoring methodology. Are you the vendor? Factual corrections are free.