Detections
Analytics

SCA: security update for n8n-mcp (GHSA-cmrh-wvq6-wm9r)

high Tenable Self-Hosted Container Security Plugin ID 441532

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and
 operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request
 forgery vulnerability affecting the webhook trigger tools, the n8n API client (N8N_API_URL), and per-
 request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. This issue has been patched in
 version 2.50.2. (CVE-2026-44694)

Solution

Update the n8n-mcp library and its related packages to version 2.50.2 or later.

See Also

https://github.com/advisories/GHSA-cmrh-wvq6-wm9r

Plugin Details

Severity: High

ID: 441532

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 5/8/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.4

Percentile: 96.89

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-44694

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.2

Threat Score: 4.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/8/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

CVE: CVE-2026-44694