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aashari/mcp-server-atlassian-confluence — agentic threat model

7.3AIVSS 7.3 · High

This MCP server exposes Atlassian Confluence Cloud data to LLMs, creating a high-risk vector for prompt injection via wiki page content and potential unauthorized data exfiltration of sensitive corporate knowledge.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 6.5AARS uplift 1.14Factor sum 3.1/10Threat ×1.05Mitigation ×0.95
Autonomy of Action
0.30
Goal-Driven Planning
0.20
Self-Modification
0.00
Dynamic Tool Use
0.60
Persistent Memory
0.10
Contextual Awareness
0.50
Dynamic Identity
0.40
Multi-Agent Interactions
0.30
Non-Determinism
0.40
Opacity & Reflexivity
0.30

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 MCP server itself does not bundle a specific foundation model, but the host client's LLM is highly vulnerable to indirect prompt injection embedded within Confluence wiki pages.

L2 · Data Operations✓ mapped

Acts as a direct bridge to Confluence data. Threats include data exfiltration of sensitive wiki spaces and knowledge-base poisoning if malicious actors edit Confluence pages to feed poisoned context to the agent.

L3 · Agent Frameworks✓ mapped

Exposes tools for space/page reading and searching. Insecure tool integration could allow an LLM to be manipulated into executing overly broad search queries or accessing restricted spaces if scope controls are weak.

L4 · Deployment & Infrastructure✓ mapped

Requires hosting as an MCP server. Risks include exposure of Atlassian API tokens/credentials in the hosting environment and lack of sandboxing between the MCP process and the host system.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — There is no mention of built-in logging, audit trails, or guardrails to monitor which pages are accessed by the agent or to detect anomalous data harvesting.

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

Relies on Confluence tokens to scope space access. If a single high-privilege token is shared, the agent lacks granular authorization controls to prevent users from querying pages they shouldn't see.

L7 · Agent Ecosystem✓ mapped

Designed to plug into broader MCP-based multi-agent ecosystems. A compromised or rogue orchestrator agent could abuse this tool to silently index and exfiltrate an entire corporate wiki.

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