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Advisories

n8n before 1.123.69 PostgREST Filter Injection via Supabase

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severity
high
date
Affecting

  • n8n >= 0, < 1.123.69

  • n8n >= 0, < 2.34.1

  • n8n >= 0, < 2.33.4

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
tr4ce-ju
Description
n8n before 1.123.69, 2.33.4, and 2.34.1 contains a PostgREST filter injection vulnerability in the Supabase node's Row Get Many, Delete, and Update operations, which built filter queries by concatenating an expression-bindable value without escaping. An attacker could inject a condition that widened the filter to match every row, turning an intended single-row operation into full-table disclosure, deletion, or modification.

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