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GHSA-6qc9-mqvw-jg7x

HighCVSS 7.1 / 10
Published Jul 22, 2026·Last modified Jul 22, 2026
Affected Components(3)
npm logon8n
< 1.123.67
npm logon8n
2.0.0-rc.0 – 2.31.5
npm logon8n
2.32.0 – 2.32.1
Description

Impact

An authenticated member with edit access to a shared workflow could reference another user's credential in an HTTP Request node while specifying the credential type through an expression. Because the pre-execution permission check compared the unresolved expression instead of the real credential type, the ownership check was skipped and the credential was loaded at execution time, letting the member use or exfiltrate a credential they were never granted. Exploitation required knowing the target credential's identifier.

Patches

The issue has been fixed in n8n versions 1.123.67, 2.31.5, and 2.32.1. 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:

  • Restrict n8n instance access to fully trusted users only.
  • Exclude the HTTP Request node by adding n8n-nodes-base.httpRequest to the NODES_EXCLUDE environment variable, if the node is not required.
  • Audit credential sharing and workflow access to limit exposure of credential IDs to untrusted users.

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

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Risk Scores
Base Score
7.1

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
4.1

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

EPSS
0.27%

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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