CVE-2026-44969: dbt mcp server — Exploit & Fix

Description

dbt-mcp is a Model Context Protocol server for interacting with dbt. Prior to 1.17.1, DbtMCP.call_tool() in src/dbt_mcp/mcp/server.py logged the raw arguments dictionary at INFO level before each tool call and at ERROR level on exceptions, and configure_file_logging() wrote those records to dbt-mcp.log when DBT_MCP_SERVER_FILE_LOGGING=true, preserving sensitive sql_query, vars, and node_selection values in plaintext without automatic rotation or deletion. This issue is fixed in version 1.17.1.

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CVSS v3.1 Score

2.5

LOW

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

EPSS — Exploit Prediction

0.0010

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-532 CWE-532

Affected Products

Vendor	Product	Versions
getdbt	dbt_mcp_server	< 1.17.1

References

Advisories & Patches

https://github.com/dbt-labs/dbt-mcp/commit/6534507b5e7a729758d5baece155602cad0bb22f https://github.com/dbt-labs/dbt-mcp/pull/752 https://github.com/dbt-labs/dbt-mcp/security/advisories/GHSA-7xgw-6qf3-7w59 https://github.com/dbt-labs/dbt-mcp/security/advisories/GHSA-7xgw-6qf3-7w59

Exploits

https://github.com/dbt-labs/dbt-mcp/security/advisories/GHSA-7xgw-6qf3-7w59 https://github.com/dbt-labs/dbt-mcp/security/advisories/GHSA-7xgw-6qf3-7w59

Other References

https://github.com/dbt-labs/dbt-mcp/releases/tag/v1.17.1

Frequently Asked Questions

What is CVE-2026-44969? +

dbt-mcp is a Model Context Protocol server for interacting with dbt. Prior to 1.17.1, DbtMCP.call_tool() in src/dbt_mcp/mcp/server.py logged the raw arguments dictionary at INFO level before each tool call and at ERROR level on exceptions, and configure_file_logging() wrote those records to dbt-mcp.log when DBT_MCP_SERVER_FILE_LOGGING=true, preserving sensitive sql_query, vars, and node_selection values in plaintext without automatic rotation or deletion. This issue is fixed in version 1.17.1. It has a CVSS v3.1 base score of 2.5 (LOW).

How severe is CVE-2026-44969? +

CVE-2026-44969 has a CVSS v3.1 score of 2.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0010, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44969? +

CVE-2026-44969 affects products from getdbt, specifically: dbt_mcp_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44969? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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