Cross-User Credential Access in n8n Workflow Automation Platform
CVE-2026-54307

8.5HIGH

Key Information:

Vendor

N8n-io

Status
Vendor
CVE Published:
23 June 2026

What is CVE-2026-54307?

n8n, an open-source workflow automation platform, has a vulnerability that allows users with editor access to shared workflows to improperly reference credentials belonging to other users. This vulnerability arises from insufficient checks in credential ownership enforcement, particularly when workflow sharing is enabled. It impacts configurations where workflows have been shared with editor-level members, potentially exposing sensitive information. The issue has been addressed in versions 1.123.55, 2.25.7, and 2.26.2, ensuring enhanced protection against unauthorized credential access.

Affected Version(s)

n8n < 1.123.55 < 1.123.55

n8n >= 2.0.0-rc.0, < 2.25.7 < 2.0.0-rc.0, 2.25.7

n8n >= 2.26.0, < 2.26.2 < 2.26.0, 2.26.2

References

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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