CVE-2026-103248

Vulncheck · Published October 1, 2026

9.0

CVSS v3.1

CRITICAL

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.

Affected Products

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H