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← Grimly AI

Grimly AI — agentic threat model

4.3AIVSS 4.3 · Medium

Grimly AI is a security-focused guardrail and logging library with low agentic risk, primarily acting as an inline defensive control rather than an active autonomous agent.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 5.5AARS uplift 0.64Factor sum 1.5/10Threat ×0.95Mitigation ×0.7
Autonomy of Action
0.10
Goal-Driven Planning
0.00
Self-Modification
0.00
Dynamic Tool Use
0.20
Persistent Memory
0.30
Contextual Awareness
0.40
Dynamic Identity
0.00
Multi-Agent Interactions
0.10
Non-Determinism
0.20
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 — Grimly AI acts as a protection layer, but it is unclear if it leverages its own foundation models or lightweight classifiers to detect prompt injections.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — The tool performs 'full prompt logging' which involves handling sensitive input/output data, but details regarding vector stores or training data operations are not specified.

L3 · Agent Frameworks⚠ not certain from listing

Not certain from the listing — While it integrates into AI application frameworks as a tool library, its own internal orchestration and framework dependencies are not detailed.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — It is open source and can be self-hosted or integrated, but specific deployment sandboxing or infrastructure requirements are not provided.

L5 · Evaluation & Observability✓ mapped

Grimly AI is explicitly an observability and guardrail tool providing real-time detection, rule-based controls, and full prompt logging. Key threats include bypasses of its detection rules, log tampering, or blind spots in its parser.

L6 · Security & Compliance (cross-cutting)✓ mapped

Designed specifically for security and compliance ('stay compliant'). Threats include misconfiguration of rule-based controls or unauthorized access to the logged prompt data, which may contain PII.

L7 · Agent Ecosystem⚠ not certain from listing

Not certain from the listing — There is no mention of multi-agent coordination or marketplace interactions within Grimly AI itself, though it protects applications that may have them.

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.