CVE-2026-86996

    Dashboard / Vulnerabilities / CVE-2026-86996

    CVE-2026-86996

    Published: 8 Sept 2026Last Modified: 12 Sept 2026

    Summary: n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

    Details: 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.

    References: https://github.com/n8n-io/n8n/releases/tag/[email protected], https://github.com/n8n-io/n8n/releases/tag/[email protected], https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86996.json, https://github.com/n8n-io/n8n/security/advisories/GHSA-7hgx-277f-7vmg, https://nvd.nist.gov/vuln/detail/CVE-2026-86996

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -2a4ca7868dc75edca4c575d6507021e1e6b0ec90

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-86996 | CVE-DB