CVE-2026-103253

n8n before 1.123.80, 2.39.6, and 2.40.1 SQL Injection via Oracle Database Drop Table

State: Published
Severity: 7.0 High
Published: Oct 1, 2026
Updated: Oct 1, 2026
Reserved: Sep 30, 2026

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 an SQL injection vulnerability in the Oracle Database node's Delete Table Drop operation. Attackers can inject single quotes in the table or schema fields to append arbitrary SQL statements and execute DDL or DML commands against the connected database with the credential's privileges.

Scores

CVSS	Score	Vector	Source
4.0	7.0 High	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H	VulnCheck
3.1	8.7 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H	VulnCheck

Weaknesses

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

Product	Versions
n8nn8n-io	before 1.123.80Affected 2.0.0 to before 2.39.6Affected 2.40.0 to before 2.40.1Affected

References

GitHub Security Advisory (GHSA-4wf3-rgqr-xcp3)vendor-advisory
VulnCheck Advisory: n8n before 1.123.80, 2.39.6, and 2.40.1 SQL Injection via Oracle Database Drop Tablethird-party-advisory

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