CVE-2026-103248
Published:October 01, 2026
Updated:November 02, 2026
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 Packages
https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@2.0.0 <n8n@2.39.6Fix Suggestion:
Update to version n8n@2.39.6https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) =n8n@2.40.0 <n8n@2.40.1Fix Suggestion:
Update to version n8n@2.40.1https://github.com/n8n-io/n8n.git (GITHUB):
Affected version(s) >=n8n@1.0.0 <n8n@1.123.80Fix Suggestion:
Update to version n8n@1.123.80n8n-nodes-base (NPM):
Affected version(s) >=2.0.0 <2.39.4Fix Suggestion:
Update to version 2.39.4n8n-nodes-base (NPM):
Affected version(s) =2.40.0 <2.40.1Fix Suggestion:
Update to version 2.40.1n8n-nodes-base (NPM):
Affected version(s) >=1.0.0 <1.121.52Fix Suggestion:
Update to version 1.121.52Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Special Elements used in an SQL Command
EPSS
Base Score:
0.30