High severityNVD Advisory· Published Jul 9, 2026· Updated Jul 9, 2026
n8n: Shared Credential Header Leak via HTTP Request Pagination Expression
CVE-2026-59209
Description
n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated member with use-only editor access to a shared workflow could read credential-populated headers exposed via the $request object inside an HTTP Request node's pagination expression and exfiltrate the secret through item data. This issue is fixed in versions 1.123.61, 2.27.4, and 2.28.1.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | < 1.123.61 | 1.123.61 |
n8nnpm | >= 2.28.0, < 2.28.1 | 2.28.1 |
n8nnpm | >= 2.0.0-rc.0, < 2.27.4 | 2.27.4 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-q3j5-8vrg-4p9qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-59209ghsaADVISORY
- github.com/n8n-io/n8n/releases/tag/n8n%402.27.4ghsax_refsource_MISCWEB
- github.com/n8n-io/n8n/releases/tag/n8n%402.28.1ghsax_refsource_MISCWEB
- github.com/n8n-io/n8n/security/advisories/GHSA-q3j5-8vrg-4p9qghsax_refsource_CONFIRMWEB
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