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CVE-2026-110850 Details

ANALYZED

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

Description

n8n before 2.41.4 and 2.42.0 before 2.42.1 does not validate credential ids stored in agent node parameters when an editor saves a shared workflow, because the check inspects only a node's credentials field. An editor can configure a Message an Agent node in inline mode with tools they control to resolve the owner's credentials and send decrypted secrets to an attacker-chosen destination.

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

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/n8n-io/n8n/security/advisories/GHSA-x25p-9mr6-cwgp	[email protected]	AdvisoryRemedyVendor
https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-credential-check-bypass-via-agent-node-parameters	[email protected]	Advisory

Weakness Enumeration

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

Affected Products

Product	Versions
n8n	< 2.41.4 (semver) < 2.42.1 (semver)
CPE cpe:2.3:a:n8n:n8n::::::node.js::* Remediation Upgrade: >= 2.41.4moderate effort Upgrade: >= 2.42.1moderate effort Mitigation:low effort Restrict n8n instance access to fully trusted users only. Mitigation:low effort Audit shared workflows that contain a 'Message an Agent' node configured in inline mode and review which users hold editor access. Mitigation:low effort Remove editor access from any users who are not fully trusted until the instance is patched.

Product

Versions

n8n

< 2.41.4 (semver)

< 2.42.1 (semver)

CPE

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

Remediation

Upgrade: >= 2.41.4moderate effort
Upgrade: >= 2.42.1moderate effort
Mitigation:low effort
Restrict n8n instance access to fully trusted users only.
Mitigation:low effort
Audit shared workflows that contain a 'Message an Agent' node configured in inline mode and review which users hold editor access.
Mitigation:low effort
Remove editor 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
Oct 15, 2026	CVE Modified	CISA-ADP
Oct 14, 2026	New CVE Received	[email protected]