Dynatrace MCP Server: create_dynatrace_notebook missing the human-approval gate

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-123812
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-09 22:18:37 UTC
Updated2026-11-10 17:17:24 UTC
DescriptionDynatrace MCP Server is an MCP server for Dynatrace Observability. Prior to 1.8.7, the create_dynatrace_notebook registration in src/index.ts performs a persistent document-write action without calling requestHumanApproval, although the project's other write tools use that gate to obtain operator consent. A caller can create tenant-visible notebooks containing attacker-controlled Markdown or DQL content, and tenant users may later execute embedded DQL when opening the notebook. The tool also lacks a destructiveHint annotation that would signal its side effects to MCP clients. This issue is fixed in version 1.8.7.

Risk And Classification

Primary CVSS: v3.1 3.7 LOW from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Dynatrace-oss Dynatrace-mcp affected < 1.8.7 Not specified

References

ReferenceSourceLinkTags
github.com/dynatrace-oss/dynatrace-mcp/security/advisories/GHSA-pc2w-4mq... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/dynatrace-oss/dynatrace-mcp/commit/2851d3ce29d834c93b67f0db90... [email protected] github.com
github.com/dynatrace-oss/dynatrace-mcp/releases/tag/v1.8.7 [email protected] github.com
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