SSRF in N8n
CVE-2026-65593
n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n server issue HTTP requests to arbitrary internal targets when SSRF protection is disabled.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.001 (3.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- N8n — versions 2.30.0
- N8n-io N8n — versions 0, 1.123.64, 2.30.1
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Mitigation, Vendor Advisory)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-65593?
- CVE-2026-65593 is a medium-severity vulnerability in N8n, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.4/10. Published 2026-07-22.
- How severe is CVE-2026-65593?
- Medium severity. CVSS v3 base score is 5.4 out of 10.