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CVE-2026-77071n8n before 1.123.69 PostgREST Filter Injection via Supabase

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.

7.1 HIGHEPSS 0.61%Not in KEVNVD: Analyzed

Overview

Severity

ScoreSeverityVersionVector String
7.1HIGH4.0VulnCheck (CNA)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
9.8CRITICAL3.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID
CVE-2026-77071
Status
Analyzed
Assigner (CNA)
VulnCheck
Published
Aug 20, 2026
Last modified
2026-09-01 20:01 UTC
Weaknesses
  • CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 10:43 UTC.