8.3highHigh
CVE-2026-72768
N8n N8n
n8n versions before 2.32.1 contain a server-side request forgery protection bypass vulnerability in the MCP Client node that allows authenticated users to bypass SSRF protections. Attackers can craft workflows that send requests to internal or blocked hosts without routing through SSRF protection, exposing internal services and reading responses back through the workflow.
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, an ordinary user account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 8.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L- CVSS v4
- 6.4
- Weakness
- CWE-918
- Assigned by
- disclosure@vulncheck.com
Dates
- Published
- 2026-08-11
- Last modified
- 2026-09-01
- Sources
- NVD
Affected products
- N8n N8n2.31.0 - 2.31.5, 2.32.0
As listed in the NVD configuration data. Not a statement about your estate.