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Dynatrace MCP Server: Workflow template injection via create_workflow_for_notification

CVSS 3.1 4.2 MEDIUMCheck source for fixed versionsKEV status unknown

Historical advisory recorded 9 Nov 2026 22:02:10 UTC. Read the latest advisory.

cve-program · CVE-2026-123809

Published

Dynatrace MCP Server is an MCP server for Dynatrace Observability. Prior to 2.0.0, the create_workflow_for_notification tool inserts the caller-controlled teamName, problemType, and channel values into a Dynatrace workflow without neutralizing Jinja2 expressions. A caller can place template expressions such as event() in those values, and the workflow engine evaluates them when the persistent workflow runs. When the workflow has a valid Slack connector, the resulting Slack action can disclose event or tenant metadata to an attacker-selected channel; the shipped placeholder connection does not deliver messages by itself. The workflow remains in the tenant after the MCP session and credentials are gone. The isPrivate option defaults to false, making the created workflow tenant-visible unless the caller changes it. Exploitation requires either an MCP prompt-injection path or an operator approving a prompt that displays the template fragment literally. This issue is fixed in version 2.0.0.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-123809

Published

dynatrace-mcp

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "dynatrace-oss",
                    "product": "dynatrace-mcp",
                    "versions": [
                        {
                            "version": "< 2.0.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 15 Nov 22:09 UTC · 274 of 275 readable · 268 fully read · documentation 469/469 current