CVE-2026-65593

medium

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.

References

Advisories

https://www.vulncheck.com/advisories/n8n-before-ssrf-via-dynamic-node-parameters

https://github.com/n8n-io/n8n/security/advisories/GHSA-9w78-79q7-r4fp

Details

Source: Mitre, NVD

Published: 2026-07-22

Updated: 2026-07-27

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 6.3

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00364