CVE-2026-56776

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization bypass in the POST /workflows/workflowId/test-runs/new endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a workflow can trigger a real...

EUVD-2026-42263

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization bypass in the POST /workflows/workflowId/test-runs/new endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a workflow can trigger a real...

CVE-2026-56776 n8n - Incorrect OAuth Scope Validation in Workflow Test Run Endpoint

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization bypass in the POST /workflows/workflowId/test-runs/new endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a workflow can trigger a real...

CVE-2026-54308 n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forged payload and cause the workflow to...

GHSA-HV7X-3X78-GX53 n8n: Wrong OAuth Scope On Evaluations Test Run Creation Endpoint

Impact The POST /workflows/workflowId/test-runs/new endpoint authorized access using workflow:read rather than workflow:execute. An authenticated user with read-only access to a workflow could trigger a real evaluation test run, causing the workflow to execute via the internal workflow runner. Th...

PT-2026-50174

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description The MicrosoftAgent365Trigger and StripeTrigger nodes fail to validate inbound requests. This allows an unauthenticated attacker with knowledge of the webhook URL to submit a...

CVE-2026-23902

Incorrect Authorization vulnerability in Apache DolphinScheduler allows authenticated users with system login permissions to use tenants that are not defined on the platform during workflow execution. This issue affects Apache DolphinScheduler versions prior to 3.4.1. Users are recommended to...

CVE-2026-45226

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

n8n: Legacy ExecuteWorkflow Node Bypassed File Path Restrictions

Impact The ExecuteWorkflow node's localFile source option read workflow files from disk without applying checks enforced by other file-reading nodes. An authenticated user with permission to create or modify workflows could supply an arbitrary file path via the REST API, bypassing the...

EUVD-2026-29868

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

CVE-2026-45226

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

CVE-2026-45226

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

CVE-2026-45226 Heym < 0.0.21 Authorization Bypass in Workflow Execution

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

CVE-2026-45226 Heym < 0.0.21 Authorization Bypass in Workflow Execution

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

CVE-2026-45226

CVE-2026-45226 affects Heym before 0.0.21 and describes an authorization bypass in workflow execution. Authenticated users can reference victim workflow UUIDs to load and execute those workflows via attacker‑controlled execution paths, potentially exposing victim outputs and triggering nodes with...

CVE-2026-45226 Heym < 0.0.21 Authorization Bypass in Workflow Execution

Heym before 0.0.21 contains an authorization bypass vulnerability in workflow execution that allows authenticated users to execute arbitrary workflows by referencing victim workflow UUIDs without proper access validation. Attackers can create workflows with execute nodes or agent subWorkflowIds...

PT-2026-40451

Name of the Vulnerable Software and Affected Versions Heym versions prior to 0.0.21 Description An authorization bypass exists in workflow execution allowing authenticated users to execute arbitrary workflows. By referencing victim workflow UUIDs without proper access validation, attackers can...

CVE-2026-44284 FastGPT: Stored MCP tool URL SSRF in FastGPT workflow execution

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal...

CVE-2026-44284 FastGPT: Stored MCP tool URL SSRF in FastGPT workflow execution

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal...

CVE-2026-44284 FastGPT: Stored MCP tool URL SSRF in FastGPT workflow execution

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal...