Detections
Analytics

SCA: security update for n8n-mcp (GHSA-2cf7-hpwf-47h9)

medium Tenable Cloud Security Plugin ID 444716

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. Prior to 2.57.4, multi-tenant HTTP mode with ENABLE_MULTI_TENANT=true could allow an
 authenticated tenant to access default-scope workflow_versions backups instead of being confined to the
 tenant scope, exposing or deleting workflow-version backups from prior single-tenant deployments or
 migrations. This issue is fixed in version 2.57.4. (CVE-2026-55608)

Solution

Update the n8n-mcp library and its related packages to version 2.57.4 or later.

See Also

https://github.com/advisories/GHSA-2cf7-hpwf-47h9

Plugin Details

Severity: Medium

ID: 444716

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 7/15/2026

Updated: 7/20/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.83

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-55608

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/14/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-55608