CVE-2026-123810

Dynatrace MCP Server is an MCP server for Dynatrace Observability. Prior to 2.1.1, several read capabilities interpolate caller-controlled values into DQL without sufficient validation or escaping. The src/capabilities/find-monitored-entity-by-name.ts capability embeds entityNames in string searches, src/capabilities/list-problems.ts, src/capabilities/list-vulnerabilities.ts, and src/capabilities/list-exceptions.ts embed timeframe values, and src/capabilities/get-events-for-cluster.ts embeds timeframe, clusterId, and kubernetesEntityId. Crafted values can close string literals, append pipeline stages, or comment out the remaining intended query, allowing callers to bypass field selection, time-window, and result-display limits in tools marked readOnlyHint. The issue does not grant data access beyond the configured token's existing execute_dql capability, but it breaks the narrower auto-approved tool contract. This issue is fixed in version 2.1.1.

• CWE-89

• https://github.com/dynatrace-oss/dynatrace-mcp/commit/15d3546c0618ffbaeaeca477337e08e92f2151bc
• https://github.com/dynatrace-oss/dynatrace-mcp/releases/tag/v2.1.1
• https://github.com/dynatrace-oss/dynatrace-mcp/security/advisories/GHSA-pqh8-p93p-2rx7
• https://github.com/dynatrace-oss/dynatrace-mcp/security/advisories/GHSA-pqh8-p93p-2rx7

Published

Nov 9, 2026

Last Modified

Nov 12, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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