Information disclosure in N8n
CVE-2026-59209
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- N8n — versions 2.28.0
- N8n-Io N8n — versions >= 2.28.0, < 2.28.1, >= 2.0.0-rc.0, < 2.27.4, < 1.123.61
Weakness classification (CWE)
References
- github.com/n8n-io/n8n/security/advisories/GHSA-q3j5-8vrg-4p9q (Mitigation, Vendor Advisory)
- github.com/n8n-io/n8n/releases/tag/n8n@2.27.4 (Product, Release Notes)
- github.com/n8n-io/n8n/releases/tag/n8n@2.28.1 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-59209?
- CVE-2026-59209 is a medium-severity vulnerability in N8n, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-07-09.
- How severe is CVE-2026-59209?
- Medium severity. CVSS v3 base score is 6.5 out of 10.