High severity8.8GHSA Advisory· Published May 4, 2026· Updated May 6, 2026
CVE-2026-42234
CVE-2026-42234
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 containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This issue only affects instances where the Python Task Runner is enabled. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | < 1.123.32 | 1.123.32 |
n8nnpm | >= 2.18.0, < 2.18.1 | 2.18.1 |
n8nnpm | >= 2.17.0, < 2.17.4 | 2.17.4 |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/advisories/GHSA-44v6-jhgm-p3m4ghsaADVISORY
- github.com/n8n-io/n8n/security/advisories/GHSA-44v6-jhgm-p3m4nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-42234ghsaADVISORY
News mentions
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