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GHSA-jh8h-6c9q-7gmw

MediumCVSS 4.8 / 10
Published Feb 26, 2026·Last modified Feb 26, 2026
Affected Components(0)

No affected components available

Description

Impact

When the Chat Trigger node is configured with n8n User Auth authentication, the authentication check could be circumvented.

  • This issue requires the Chat Trigger node to be configured with n8n User Auth authentication (non-default).

Patches

The issue has been fixed in n8n versions 2.10.1, 2.9.3, and 1.123.22. Users should upgrade to one of these versions or later to remediate the vulnerability.

Workarounds

If upgrading is not immediately possible, administrators should consider the following temporary mitigations:

  • Limit workflow creation and editing permissions to fully trusted users only.
  • Use a different authentication method for the Chat Trigger node, or restrict network access to the webhook endpoint to trusted origins.

These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.

Risk Scores
Base Score
4.8

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence
4.4

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.23%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Medium severity
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