CVE-2026-86996

Summary

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.

Affected Software

VendorProductVersion RangeStatus
n8n-ion8n< 2.37.7affected
n8n-ion8n>= 2.38.0, < 2.38.2affected

Weaknesses

  • CWE-862: CWE-862: Missing Authorization

References