Detections
Analytics

SCA: security update for n8n (GHSA-3875-8gcx-7v46)

medium Tenable Cloud Security Plugin ID 442152

Description

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

 - n8n before 2.20.0 contains a credential exfiltration vulnerability in the POST /rest/dynamic-node-
 parameters/options endpoint that allows authenticated users to bypass Allowed HTTP Request Domains
 restrictions. Attackers with credential access can cause the n8n server to issue HTTP requests with
 credentials to unauthorized hosts, exfiltrating sensitive authentication data. (CVE-2026-56348)

Solution

Update the n8n library and its related packages to version 2.20.0 or later.

See Also

https://github.com/advisories/GHSA-3875-8gcx-7v46

Plugin Details

Severity: Medium

ID: 442152

Version: Revision 1.10

Type: Local

Family: SCA Checks

Published: 5/19/2026

Updated: 7/20/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.19

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-56348

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/19/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-56348

cwe: CWE-918