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GHSA-652q-gvq3-74qv

MediumCVSS 5.3 / 10
Published Jul 22, 2026·Last modified Jul 22, 2026
Affected Components(3)
npm logon8n
< 1.123.67
npm logon8n
2.0.0-rc.0 – 2.31.5
npm logon8n
2.32.0 – 2.32.1
Description

Impact

The n8n Snowflake node's Execute Query operation interpolated expression values directly into the SQL string, making queries built with untrusted data susceptible to SQL injection.

Exploitation requires that a workflow author has already embedded untrusted expression data directly in a raw SQL query.

Patches

The issue has been fixed in n8n versions 1.123.67, 2.31.5, and 2.32.1. Users should upgrade to one of these versions or later to remediate the vulnerability. The fix introduces an optional "Query Parameters" field that allows values to be bound via positional placeholders rather than interpolated into the query string.

Workarounds

If upgrading is not immediately possible, administrators should consider the following temporary mitigations:

  • Restrict workflow creation and editing permissions to fully trusted users only.
  • Audit existing workflows that use the Snowflake executeQuery operation and ensure no expression resolving to externally-controlled data is embedded directly in a raw SQL query string.
  • Restrict network access to any webhook or trigger endpoints that feed data into Snowflake executeQuery nodes.

These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.

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Risk Scores
Base Score
5.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
1.3

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.47%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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