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CVE-2026-59254

CVE-2026-59254 · n8n - External Secrets Disclosure via Workflow Node Expressions

This page contains facts from public vulnerability sources. Check the original advisory before updating.

n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without requiring explicit secrets access permissions.

CVSS 6.3 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • n8n

    Versions
    • ≥ 0, < 2.28.1: Affected (semver)
    • 2.28.1: Not affected (semver)

    Update to 2.28.1

  • n8n

    Versions
    • ≥ 0, < 2.27.4: Affected (semver)
    • 2.27.4: Not affected (semver)

    Update to 2.27.4

  • n8n npm

    Affected ranges
    • SEMVER: ≥ 2.28.0, < 2.28.1

    Update to 2.28.1

  • n8n npm

    Affected ranges
    • SEMVER: < 2.27.4

    Update to 2.27.4

Original sources

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