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OpenAdvisories
Low · 3.1 CVE-2026-44970 EUVD-2026-44992GHSA-jj54-r8gm-2fcfPYSEC-2026-2442

dbt-mcp: All MCP Tool Arguments Including Raw SQL and --vars Credentials Transmitted to dbt Labs Telemetry by Default Without Redaction

Published Jul 16, 2026 · Updated Jul 18, 2026 · Assigned by GitHub_M

Description

dbt-mcp is a Model Context Protocol server for interacting with dbt. Prior to 1.17.1, DefaultUsageTracker.emit_tool_called_event() in src/dbt_mcp/tracking/tracking.py serialized every MCP tool call's complete arguments dictionary and sent it through dbtlabs_vortex.producer.log_proto without redaction, including sql_query from show, vars from run, build, and test, and node_selection from compile, while usage_tracking_enabled in settings.py enabled telemetry by default unless DBT_SEND_ANONYMOUS_USAGE_STATS=false or DO_NOT_TRACK=1 was set. This issue is fixed in version 1.17.1.

Affected products

VendorProductAffectedFixed
dbt-labs dbt-mcp < 1.17.1 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI dbt-mcp < 1.17.1 1.17.1 GHSA-jj54-r8gm-2fcf

References