CVE-2026-54310: n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes

June 16, 2026 (updated July 20, 2026)

An authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node’s allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database account.

References

github.com/advisories/GHSA-c37g-w77q-m4vp
github.com/n8n-io/n8n/security/advisories/GHSA-c37g-w77q-m4vp
nvd.nist.gov/vuln/detail/CVE-2026-54310

Code Behaviors & Features

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