GHSA-JP7M-XCGX-57QM n8n: External Secrets Permission Bypass via Expression Parser Mismatch

Impact Due to a mismatch between the static validation check and the runtime expression engine, an authenticated user with credential create or update permissions, but without the externalSecret:list scope, could embed external secret references into credentials in forms the validation did not...

EUVD-2026-44635

n8n: External Secrets Permission Bypass via Expression Parser Mismatch...

GHSA-777W-RPR6-C52H n8n: Privilege Escalation and Code Execution via Full Public API Key Scope Assignment to Token Exchange JWTs

Impact JWTs issued through the Token Exchange module were assigned all Public API key scopes, regardless of the acting user's actual role. A low-privileged user who could obtain a valid external JWT trusted by a configured issuer could therefore use the resulting access token to invoke...

CVE-2026-65595

n8n before 2.30.1 and 2.29.8 assigns all Public API key scopes to JWTs issued through the Token Exchange module regardless of the acting user's role. On instances where the Token Exchange feature and Public API are enabled, a low-privileged user who can obtain a valid external JWT trusted by a...

CVE-2026-65595 n8n before 2.29.8 and 2.30.1 Privilege Escalation via Token Exchange

n8n before 2.30.1 and 2.29.8 assigns all Public API key scopes to JWTs issued through the Token Exchange module regardless of the acting user's role. On instances where the Token Exchange feature and Public API are enabled, a low-privileged user who can obtain a valid external JWT trusted by a...

Authorization Bypass Through User-Controlled Key

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via a mismatch between static validation and the runtime expression engine in external secrets handling. An attacker can access unauthorized secret...

Authorization Bypass Through User-Controlled Key

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via a mismatch between static validation and the runtime expression engine in external secrets handling. An attacker can access unauthorized secret...

Authorization Bypass Through User-Controlled Key

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via a mismatch between static validation and the runtime expression engine in external secrets handling. An attacker can access unauthorized secret...

Authorization Bypass Through User-Controlled Key

Overview n8n-workflow is a Workflow base code of n8n Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via a mismatch between static validation and the runtime expression engine in external secrets handling. An attacker can access unauthorized...

GHSA-Q6MX-QVHP-FQMG Duplicate Advisory: External Secrets Permission Bypass via Expression Parser Mismatch

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-jp7m-xcgx-57qm. This link is maintained to preserve external references. Original Description n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets...

CVE-2026-59259

n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the...

CVE-2026-59259

n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the...

CVE-2026-59259 n8n - Permission Bypass via Expression Parser Mismatch in External Secrets

n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the...

CVE-2026-59259

CVE-2026-59259 affects n8n released until versions 1.123.61, 2.27.4, and 2.28.1. The vulnerability is a permission bypass in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user who can create or update credent...

CVE-2026-59259 n8n - Permission Bypass via Expression Parser Mismatch in External Secrets

n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the...

CVE-2026-59259 n8n - Permission Bypass via Expression Parser Mismatch in External Secrets

n8n before versions 1.123.61, 2.27.4, and 2.28.1 contains a permission bypass vulnerability in external secrets handling caused by a mismatch between the static validation check and the runtime expression engine. An authenticated user with credential create or update permissions but without the...

PT-2026-60132

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.61 n8n versions prior to 2.27.4 n8n versions prior to 2.28.1 Description A permission bypass exists in external secrets handling due to a mismatch between the static validation check and the runtime expression engin...

CVE-2026-56775

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization vulnerability in three mutating evaluation test-run endpoints that authorize state-changing actions using the workflow:read scope instead of the action-appropriate workflow:execute scope. On instances using Advanced Permissions...

CVE-2026-56775

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization vulnerability in three mutating evaluation test-run endpoints that authorize state-changing actions using the workflow:read scope instead of the action-appropriate workflow:execute scope. On instances using Advanced Permissions...

CVE-2026-56775 n8n - Incorrect OAuth Scope Validation in Evaluation Test Runs Endpoints

n8n before 1.123.55, 2.25.7, and 2.26.2 contains an authorization vulnerability in three mutating evaluation test-run endpoints that authorize state-changing actions using the workflow:read scope instead of the action-appropriate workflow:execute scope. On instances using Advanced Permissions...