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CVE

GHSA-3875-8gcx-7v46

n8n: Credential exfiltration via Allowed HTTP Request Domains Bypass
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CVE

GHSA-3875-8gcx-7v46

n8n: Credential exfiltration via Allowed HTTP Request Domains Bypass

Impact

The POST /rest/dynamic-node-parameters/options endpoint allowed any authenticated user to cause the n8n server to issue HTTP requests including credentials bypassing the intended restrictions on which hosts could be contacted for that credential (Allowed HTTP Request Domains). The user needed to be authenticated and have access to the credential.

Patches

The issue has been fixed in n8n version 2.20.0. Users should upgrade to this version or later to remediate the vulnerability.

Workarounds

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

  • Restrict n8n access to fully trusted users only.
  • Limit credential sharing to users who genuinely require access to those credentials.

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

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
C
H
U
-

Related Resources

No items found.

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-3875-8gcx-7v46, https://github.com/n8n-io/n8n

Severity

9.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.1
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
2.20.0

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