High severity8.8GHSA Advisory· Published May 4, 2026· Updated May 6, 2026
CVE-2026-42232
CVE-2026-42232
Description
n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the XML Node leading to RCE when combined with other nodes exploiting the prototype pollution. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | >= 2.18.0, < 2.18.1 | 2.18.1 |
n8nnpm | >= 2.17.0, < 2.17.4 | 2.17.4 |
n8nnpm | < 1.123.32 | 1.123.32 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-hqr4-h3xv-9m3rghsaADVISORY
- github.com/n8n-io/n8n/security/advisories/GHSA-hqr4-h3xv-9m3rnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-42232ghsaADVISORY
News mentions
2- ⚡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and MoreThe Hacker News · May 18, 2026
- Ivanti, Fortinet, SAP, VMware, n8n Patch RCE, SQL Injection, Privilege Escalation FlawsThe Hacker News · May 18, 2026