GHSA-7HGX-277F-7VMG n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

Impact A workflow's "This workflow can be called by" setting was enforced by the Execute Workflow node but was not consulted when the same workflow was attached to an Agent as a tool. A user who could build an Agent could therefore call a workflow that its owner had restricted, and read back what...

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

NPM: n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy vulnerability discovered by ? in WordPress Npm n8n versions 2.37.7...

n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

Impact A workflow's "This workflow can be called by" setting was enforced by the Execute Workflow node but was not consulted when the same workflow was attached to an Agent as a tool. A user who could build an Agent could therefore call a workflow that its owner had restricted, and read back what...

CVE-2026-86078 n8n: Prototype Pollution via Workflow Structure Summary Can Lead to Denial of Service

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI workflow summary used node names and connection keys from stored workflows as ordinary object keys. A workflow submitted through the REST API could contain proto or constructor, causing nested writes t...

CVE-2026-86078 n8n: Prototype Pollution via Workflow Structure Summary Can Lead to Denial of Service

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI workflow summary used node names and connection keys from stored workflows as ordinary object keys. A workflow submitted through the REST API could contain proto or constructor, causing nested writes t...

CVE-2026-86078 n8n: Prototype Pollution via Workflow Structure Summary Can Lead to Denial of Service

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI workflow summary used node names and connection keys from stored workflows as ordinary object keys. A workflow submitted through the REST API could contain proto or constructor, causing nested writes t...

CVE-2026-86078

n8n (open-source workflow automation platform) is affected by a prototype pollution vulnerability in the Instance AI workflow summary feature prior to versions 2.37.7 and 2.38.2 . The function summarizeWorkflowStructure (in packages/@n8n/instance-ai/src/tools/workflows/summarize-workflow.ts) trea...

CVE-2026-86079 n8n: Path Injection in Elasticsearch and ElasticSecurity Nodes via Unencoded Identifiers

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the Elasticsearch and ElasticSecurity nodes interpolated workflow-controlled index and document identifiers directly into REST request paths. An identifier containing path separators or dot segments could...

CVE-2026-86082 n8n: Domain-Restriction Bypass via Unguarded Model-Search Endpoint in OpenAI Chat Model Node

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the OpenAI Chat Model node enforced credential allowed-domain restrictions for normal calls but not for the model-search dropdown. A workflow editor could set options.baseURL to an arbitrary host and make t...

CVE-2026-86994 n8n: Cross-User Active Workflow ID and Lifecycle Event Disclosure via Missing userId Filter

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the /rest/active-workflows endpoint returned every active workflow ID on the instance to any member regardless of sharing. Workflow activation, deactivation, and publication push events were also broadcast ...

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

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...

EUVD-2026-74267

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...

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

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...

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

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...

CVE-2026-86996

n8n (open-source workflow automation platform) is affected by a policy bypass in its Agent workflow tool . Prior to 2.37.7 and 2.38.2 , the "This workflow can be called by" setting was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. The root cause...

CVE-2026-87049

A flaw was found in operator-foundry. Untrusted external actors can exploit over-permissive GitHub access tokens and Google Cloud Platform GCP Workload Identity Federation credentials granted to a third-party reusable workflow. By invoking this workflow on untrusted-triggerable events without...

CVE-2026-86074

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI credential setup flow accepted a credential test or verification URL without checking that it matched the workflow node's origin. Attacker-controlled fetched content could influence that URL after a us...

CVE-2026-86074 n8n: Instance AI Credential Setup Accepts Unvalidated Probe URL from Fetched Content

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI credential setup flow accepted a credential test or verification URL without checking that it matched the workflow node's origin. Attacker-controlled fetched content could influence that URL after a us...

CVE-2026-86074

n8n (open-source workflow automation platform) prior to 2.37.7 and 2.38.2 is affected by a flaw in the Instance AI credential setup flow . The flow accepted a credential test or verification URL without verifying it matched the workflow node's origin, allowing attacker-controlled fetched content ...

CVE-2026-86073

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.1, the OAuth token endpoint bound an authorization code's first access token to the consented resource but did not bind its refresh token. Refreshing checked only that the requested resource was registered, not that it...