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CVE-2026-118642 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows authenticated members to use inaccessible credentials through inline sub-workflow nodes with non-boolean disabled values. Attackers knowing a credential id can run Execute Workflow nodes in inline JSON mode that skip the permission check and send decrypted credentials to attacker-controlled servers.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/n8n-io/n8n/security/advisories/GHSA-8vrr-mgc5-jg55	[email protected]	AdvisoryRemedyVendor
https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-permission-check-bypass-via-inline-sub-workflows	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
n8n	< 1.123.85 (semver) < 2.44.1 (semver) < 2.43.5 (semver)
CPE cpe:2.3:a:n8n:n8n::::::node.js::* Remediation Upgrade: >= 1.123.85moderate effort Upgrade: >= 2.44.1moderate effort Upgrade: >= 2.43.5moderate effort Mitigation:low effort Restrict n8n instance access to fully trusted users only. Mitigation:low effort Audit execution logs for unexpected successful executions of Execute Workflow nodes using inline JSON mode. Mitigation:low effort Remove member access from any users who are not fully trusted until the instance is patched.

Product

Versions

n8n

< 1.123.85 (semver)

< 2.44.1 (semver)

< 2.43.5 (semver)

CPE

cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*

Remediation

Upgrade: >= 1.123.85moderate effort
Upgrade: >= 2.44.1moderate effort
Upgrade: >= 2.43.5moderate effort
Mitigation:low effort
Restrict n8n instance access to fully trusted users only.
Mitigation:low effort
Audit execution logs for unexpected successful executions of Execute Workflow nodes using inline JSON mode.
Mitigation:low effort
Remove member access from any users who are not fully trusted until the instance is patched.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 4, 2026	CVE Modified	CISA-ADP
Oct 28, 2026	New CVE Received	[email protected]