Description
n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could bypass the patch for CVE-2026-42232 in the XML node. When combined with other nodes, this could lead to RCE on the n8n host. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.
Severity (CVSS)
| Base score | 9.4 |
|---|---|
| Severity | Critical |
| Version | CVSS 4.0 |
| Vector | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| Provided by | CNA |
Weaknesses
- CWE-1321 — CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n8n-io | n8n | < 1.123.43; >= 2.0.0-rc.0, < 2.20.7; >= 2.21.0, < 2.21.1 |
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-wrwr-h859-xh2r (x_refsource_CONFIRM)
Generated from the official CVE List on 24 Jun 2026 09:35 UTC.