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Advisories

n8n before 1.123.80, 2.39.6, and 2.40.1 PostgREST Filter Injection via Supabase

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severity
high
date
Affecting

  • n8n >= 0, < 1.123.80

  • n8n >= 2.0.0, < 2.39.6

  • n8n >= 2.40.0, < 2.40.1

CWE
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Credit
kemrec
Description
n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a filter injection vulnerability in the Supabase node's Filters (String) mode that fails to escape field values. Attackers can inject filter expressions from untrusted input to read all table rows, update all records, or delete entire tables in a single request.

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