CVE-2026-103248CWE-89sql-injection

CVE-2026-103248

Critical · published October 1, 2026

CVSS v3.1
9.0
EPSS
0%
Percentile
21.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
7.1 · 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
EPSS
0.00301 · 21.7th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2026-10-01T15:17Z
References (2)
https://github.com/n8n-io/n8n/security/advisories/GHSA-xrqg-3xcp-h45x · [email protected]https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-postgrest-filter-injection-via-supabase · [email protected]
EPSS history
Timeline
  • 03 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 01 OCT 10:41Z
    n8n before 1.123.80, 2.39.6, and 2.40.1 PostgREST Filter Injection via Supabase
    cvelistv5