CVE-2026-65593

n8n before 1.123.64, 2.29.8, and 2.30.1 SSRF via Dynamic Node Parameters

State: Published
Severity: 6.3 Medium
Published: Jul 22, 2026
Updated: Oct 29, 2026
Reserved: Jul 22, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:H/SI:L/SA:N	VulnCheck

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
n8nn8n-io	before 1.123.64Affected 1.123.64Not affected
n8nn8n-io	2.30.0 to before 2.30.1Affected 2.30.1Not affected
n8nn8n-io	2.0.0-rc.0 to before 2.29.8Affected 2.29.8Not affected

References

GitHub Security Advisory (GHSA-9w78-79q7-r4fp)vendor-advisory
VulnCheck Advisory: n8n before 1.123.64 SSRF via Dynamic Node Parametersthird-party-advisory

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