n8n-io n8n up to 2.37.6/2.38.1 Workflow Tool Factory workflow-tool-factory.ts executeWorkflow privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.44+

Summaryinfo

A vulnerability was found in n8n-io n8n up to 2.37.6/2.38.1. It has been declared as problematic. Impacted is the function executeWorkflow of the file packages/cli/src/modules/agents/tools/workflow-tool-factory.ts of the component Workflow Tool Factory. Such manipulation leads to privileges management. This vulnerability is listed as CVE-2026-86996. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in n8n-io n8n up to 2.37.6/2.38.1 and classified as problematic. Affected by this issue is the function executeWorkflow of the file packages/cli/src/modules/agents/tools/workflow-tool-factory.ts of the component Workflow Tool Factory. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-86996 since 09/08/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 2.37.7 or 2.38.2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: n8n 2.37.7/2.38.2

Timelineinfo

09/08/2026 Advisory disclosed
09/08/2026 +0 days CVE reserved
09/08/2026 +0 days VulDB entry created
09/08/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-86996 (🔒)
GCVE (CVE): GCVE-0-2026-86996
GCVE (VulDB): GCVE-100-400658

Entryinfo

Created: 09/08/2026 23:31
Changes: 09/08/2026 23:31 (69)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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