SCA: security update for n8n (GHSA-hw8v-xxg5-vvvx)

high Tenable Self-Hosted Container Security Plugin ID 447892

Description

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

- n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the expression
compiler sanitizer resolved through dynamically scoped this and did not reject reserved class member
names. A class field named __sanitize could rebind the sanitizer and reach the Function constructor,
enabling backend code execution and editor-preview JavaScript execution. The affected AST hook is
PrototypeSanitizer in packages/workflow/src/expression-sandboxing.ts. This issue is fixed in versions
1.123.76, 2.37.7 and 2.38.2. (CVE-2026-86076)

Solution

Update the n8n library and its related packages to version 1.123.76 or later.

See Also

https://github.com/advisories/GHSA-hw8v-xxg5-vvvx

Plugin Details

Severity: High

ID: 447892

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 9/10/2026

Updated: 9/10/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-86076

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: High

Base Score: 8.7

Threat Score: 5.9

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-86076

cwe: CWE-94