n8n-io n8n up to 1.123.85 NocoDB node behavioral workflow

Summaryinfo

A vulnerability classified as problematic was found in n8n-io n8n. This issue affects some unknown processing of the component NocoDB node. Such manipulation leads to behavioral workflow. This vulnerability is traded as CVE-2026-126390. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in n8n-io n8n. It has been rated as problematic. Affected by this issue is an unknown function of the component NocoDB node. The manipulation with an unknown input leads to a behavioral workflow vulnerability. Using CWE to declare the problem leads to CWE-841. The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence or timeframe. Impacted is confidentiality. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-126390 since 11/10/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.123.89 eliminates this vulnerability.

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Productinfo

Vendor

• n8n-io

Name

• n8n

Version

• 1.90.0
• 1.98.2
• 1.99.0
• 1.107.0
• 1.113.0
• 1.114.3
• 1.118.0
• 1.120.3
• 1.121.0
• 1.121.3
• 1.123.2
• 1.123.8
• 1.123.9
• 1.123.10
• 1.123.12
• 1.123.15
• 1.123.17
• 1.123.18
• 1.123.22
• 1.123.23
• 1.123.25
• 1.123.26
• 1.123.27
• 1.123.32
• 1.123.33
• 1.123.43
• 1.123.48
• 1.123.55
• 1.123.61
• 1.123.64
• 1.123.67
• 1.123.69
• 1.123.73
• 1.123.76
• 1.123.80
• 1.123.83
• 1.123.85

Website

• Product: https://github.com/n8n-io/n8n/

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