Description
n8n before 1.123.89 contains a credential leakage vulnerability in the NocoDB node that sends the configured NocoDB API token to attacker-chosen hosts when downloading attachments. Attackers with write access to a NocoDB attachment cell can insert a URL to their host, capturing the API token when the workflow executes with Download Attachments enabled.
Published: 2026-11-13
Score: 6.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 13 Nov 2026 09:45:00 +0000

Type Values Removed Values Added
Description n8n before 1.123.89 contains a credential leakage vulnerability in the NocoDB node that sends the configured NocoDB API token to attacker-chosen hosts when downloading attachments. Attackers with write access to a NocoDB attachment cell can insert a URL to their host, capturing the API token when the workflow executes with Download Attachments enabled.
Title n8n before 1.123.89 NocoDB Node API Token Leak via Attachment Download
First Time appeared N8n
N8n n8n
Weaknesses CWE-522
CPEs cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*
Vendors & Products N8n
N8n n8n
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T09:35:55.075Z

Reserved: 2026-11-10T21:30:16.910Z

Link: CVE-2026-126390

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-13T10:17:42.650

Modified: 2026-11-13T10:17:42.773

Link: CVE-2026-126390

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-522

    Insufficiently Protected Credentials