CVE-2026-54313

n8n: NoSQL Injection in MongoDB Node Find And Replace Operation

State: Published
Severity: 6.5 Medium
Published: Jun 23, 2026
Updated: Jun 23, 2026
Reserved: Jun 12, 2026

Description

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with workflow edit access could supply a malicious filter value in the MongoDB node's Find And Replace operation. The value was not validated before being passed to MongoDB as a query filter, allowing unintended documents to be matched and overwritten with attacker-controlled content. This vulnerability is fixed in 2.24.0.

Scores

CVSS	Score	Vector	Source
4.0	6.5 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H	GitHub_M

Weaknesses

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

Affected Products

Product	Versions
n8nn8n-io	< 2.24.0Affected

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-jpq7-226w-6cxx

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