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Authorization Bypass Through User-Controlled Key Affecting n8n-oci-entrypoint package, versions <2.27.4-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.32% (24th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-N8NOCIENTRYPOINT-18008182
  • published18 Jul 2026
  • disclosed15 Jul 2026
Report a new vulnerability Found a mistake?

Introduced: 15 Jul 2026

NewCVE-2026-59259  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

Upgrade Minimos:latest n8n-oci-entrypoint to version 2.27.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream n8n-oci-entrypoint package and not the n8n-oci-entrypoint package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the externalSecret:list scope can embed external secret references into credentials in forms the static validation does not detect; these references resolve at workflow execution time, exposing secret values the user is not authorized to access. This issue only affects instances where an external secrets provider is configured and Advanced Permissions are in use.