CVE-2026-103247

Versions of n8n before 1.123.80 are vulnerable to a credential tampering flaw caused by duplicate node IDs . Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to bypass the workflow credential tamper guard. This allows the attacker to retain victim ...

CVE-2026-103247 n8n before 1.123.80 Credential Tampering via Duplicate Node IDs

n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to...

CVE-2026-103247: Authorization Bypass Through User-Controlled Key

n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to...

Incorrect Authorization

Overview @n8n/n8n-nodes-langchain is a Affected versions of this package are vulnerable to Incorrect Authorization via the Execute Sub-workflow. An attacker can access unauthorized credentials by referencing credential IDs within inline workflow JSON, bypassing intended access controls. Note: Thi...

CVE-2026-56778

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to ret...

CVE-2026-56778

CVE-2026-56778 (n8n) : Affected versions are n8n before 2.25.7 and 2.26.x before 2.26.2. The Public API execution retry endpoint authorizes with the workflow:read scope instead of workflow:execute, allowing an authenticated user with read-only access to a shared workflow to retry executions, bypa...

CVE-2026-56778 n8n - Authorization Bypass in Public API Execution Retry Endpoint

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to ret...

CVE-2026-56778

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to ret...

PT-2026-56443

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to ret...

Incorrect Authorization

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Incorrect Authorization in the shared workflows. An attacker can gain unauthorized access to credentials belonging to other users by exploiting insufficient ownership checks via specific public API...

CVE-2026-54307

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to...

CVE-2026-54307

Summary: CVE-2026-54307 affects n8n prior to versions 1.123.55, 2.25.7, and 2.26.2, where a member-level editor of a shared workflow could reference credentials they do not own due to partial credential ownership checks, enabling cross-user credential access via public API endpoints. The issue is...

CVE-2026-54307 n8n: Credential Exfiltration via Permission Bypass

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to...

EUVD-2026-38478

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, a member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to...

n8n: Credential Exfiltration via Permission Bypass

Impact A member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to cross-user credential access. This issue affects instances where workflow sharing i...

GHSA-PMQW-72CG-WX85 n8n: Credential Exfiltration via Permission Bypass

Impact A member-level user with editor access to a shared workflow could reference credentials they do not own via specific public API endpoints. Credential ownership checks were only enforced partially leading to cross-user credential access. This issue affects instances where workflow sharing i...

PT-2026-50173

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.55 n8n versions prior to 2.25.7 n8n versions prior to 2.26.2 Description An open source workflow automation platform contains an issue where a member-level user with editor access to a shared workflow can reference...

PT-2026-53032

Impact The Public API endpoint for retrying executions authorized access using workflow:read rather than workflow:execute. An authenticated user with read-only access to a shared workflow could use the Public API to retry executions of that workflow, bypassing the intended permission boundary...

CVE-2026-42226

n8n is an open source workflow automation platform. Prior to versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supp...

CVE-2026-42226

The CVE concerns n8n, an open source workflow automation platform. Before versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workfl...