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HIGH severity

CVE-2026-118675 — N8n-io

HIGH

CVE-2026-118675 is a high-severity (CVSS 7.1) CWE-863 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors of shared workflows to use restricted credentials by loading sub-workflows…

Published
Updated
Affected
—
Patched
—
Exploits
None indexed
Exploitation data as of Oct 28, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors of shared workflows to use restricted credentials by loading sub-workflows from URLs or local files. Attackers can configure the Execute Sub-workflow node with source url or localFile to serve content that resolves project credentials and returns their decrypted values.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-118675 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

n8n before 1.123.85, 2.43.5, and 2.44.1 contains a credential guard bypass vulnerability that allows editors of shared workflows to use restricted credentials by loading sub-workflows from URLs or local files. Attackers can configure the Execute Sub-workflow node with source url or localFile to serve content that resolves project credentials and returns their decrypted values.
O3 Security · Impact-Aware SCA

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