vulnerability / NVI-00015102 / Revision 1
@dynatrace-oss/dynatrace-mcp-server has a workflow template injection via create_workflow_for_notification
GitHub lists this reviewed advisory for @dynatrace-oss/dynatrace-mcp-server. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.
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01 / Meaning
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4.2 medium
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As of · GitHub Advisory Database
02 / Applicability
The affected context
Affected versions, configuration prerequisites and known exclusions are public. Confirm each one against the deployed service.
@dynatrace-oss/dynatrace-mcp-server
source listed< 2.0.0
### Summary A template injection vulnerability in the `create_workflow_for_notification` tool lets a caller embed Jinja2 expressions that the Dynatrace workflow engine evaluates at runtime, exfiltrating event data to attacker-controlled destinations through a workflow that persists in the tenant after the MCP session ends. ### Details The `create_workflow_for_notification` tool interpolates three caller-supplied parameters (`teamName`, `problemType`, `channel`) directly into a Dynatrace Workflow definition. Dynatrace Workflows use Jinja2 templating: per the official documentation, `{{ ... }}` expressions in action inputs are evaluated at workflow runtime for every action except `Run Javascript` (which is carved out specifically to avoid code injection). A caller can therefore supply, for example, `teamName = "{{ event() }}"` and have the workflow engine evaluate that expression at runtime, serialising the full event object into the message body delivered to the Slack channel. The vulnerable code is in `src/capabilities/create-workflow-for-problem-notification.ts`, lines 82-99: ```typescript let notif
03 / Response
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04 / Limits
What this report cannot establish
- Customer inventory, deployment, reachability and exploitation have not been inspected.
05 / Provenance
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- GHSA-xrmj-5g4g-8987 ↗
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- Revision 1 ·
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