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verification-before-completion — agentic threat model

4.5AIVSS 4.5 · Medium

This agent acts as a local verification gate to prevent premature task completion, presenting a low overall risk posture due to its instruction-only nature, though it relies heavily on the security of the underlying execution environment when running verification commands.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 4.3AARS uplift 1.3Factor sum 2.4/10Threat ×0.95Mitigation ×0.8
Autonomy of Action
0.30
Goal-Driven Planning
0.40
Self-Modification
0.00
Dynamic Tool Use
0.50
Persistent Memory
0.10
Contextual Awareness
0.40
Dynamic Identity
0.00
Multi-Agent Interactions
0.20
Non-Determinism
0.30
Opacity & Reflexivity
0.20

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.

L1 · Foundation Models⚠ not certain from listing

Not certain from the listing — The agent is described as an instruction-only skill, meaning it is highly dependent on the host LLM's instruction-following capabilities. It is vulnerable to prompt injection attacks that could bypass the 'evidence-before-claims' rule.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — There is no mention of vector databases, RAG, or training data operations. The agent primarily evaluates real-time command outputs rather than managing persistent data stores.

L3 · Agent Frameworks✓ mapped

The agent orchestrates a specific verification workflow (running commands before declaring success). Framework-level risks include the potential for malicious tool execution if the verification commands themselves are manipulated or hijacked.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — The agent governs the execution of shell/test commands, but the listing does not specify the sandboxing or isolation of the environment where these verification commands are executed.

L5 · Evaluation & Observability✓ mapped

The agent inherently acts as an observability and guardrail mechanism by blocking premature success claims and demanding command output verification before completion.

L6 · Security & Compliance (cross-cutting)⚠ not certain from listing

Not certain from the listing — No specific identity, authorization, or compliance policies are detailed, though the tool enforces a strict 'evidence-before-assertions' policy which aligns with basic integrity controls.

L7 · Agent Ecosystem✓ mapped

The agent is designed to be invoked before commits or PRs, meaning it operates within a development ecosystem. If compromised, it could allow malicious code to be committed by falsely verifying outputs.

MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).