CVE-2026-126390
n8n before 1.123.89 NocoDB Node API Token Leak via Attachment Download
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-522 |
| Vendor | n8n-io |
| Product | n8n |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
n8n-io / n8n
0 < 1.123.89
n8n-io / n8n
2.46.0 < 2.46.1
n8n-io / n8n
2.0.0 < 2.45.5
n8n-io / n8n
3.0.0 < 3.0.1
References
Credits
🔍 tr4ce-ju