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CVE-2026-86996

CVE-2026-86996 · n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

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

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted workflow and read its returned data. The affected path is packages/cli/src/modules/agents/tools/workflow-tool-factory.ts, where executeWorkflow omitted SubworkflowPolicyChecker.checkForProject. This issue is fixed in versions 2.37.7 and 2.38.2.

CVSS 5.3 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • n8n

    Versions
    • < 2.37.7: Affected
    • >= 2.38.0, < 2.38.2: Affected

    No fix published

  • n8n npm

    Affected ranges
    • SEMVER: ≥ 2.38.0, < 2.38.2

    Update to 2.38.2

  • n8n npm

    Affected ranges
    • SEMVER: < 2.37.7

    Update to 2.37.7

Original sources

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