EUVD-2026-40453

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777 n8n - AST Validator Bypass in Python Code Node

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

PT-2026-54049

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777: Incomplete List of Disallowed Inputs

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

Arbitrary Code Execution

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Arbitrary Code Execution in the Python Code node, exploitable when the Python Task Runner is enabled. A user with permission to create or modify workflows can execute arbitrary code on the task runn...

N8n Python Task Runner Code Execution

The vulnerability of the Python Task Runner module of the N8n automation platform relates to improper code generation management. Exploiting this vulnerability allows a remote attacker to bypass the sandbox’s security mechanisms and execute arbitrary code...

CVE-2026-42234 n8n: Python Task Runner Sandbox Escape

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This...

CVE-2026-42234 n8n: Python Task Runner Sandbox Escape

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This...

CVE-2026-42234

CVE-2026-42234 affects n8n, an open‑source workflow automation platform. Before versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user who can create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container....

CVE-2026-42234 n8n: Python Task Runner Sandbox Escape

n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. This...

PT-2026-36904

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.32 n8n versions prior to 2.17.4 n8n versions prior to 2.18.1 Description An authenticated user with permissions to create or modify workflows containing a Python Code Node can escape the sandbox to achieve arbitrary...

GHSA-44V6-JHGM-P3M4 n8n has a Python Task Runner Sandbox Escape Vulnerability

Impact An authenticated user with permission to create or modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. - This issue only affects instances where the Python Task Runner is enabled. Patches The issue has...

WindMill path traversal vulnerability

WindMill is a free open-source tool developed by Lukasavicus’ individual developer. It is used to control the execution of tasks in Python. Versions of WindMill prior to 1.603.3 contained a path traversal vulnerability. This vulnerability stemmed from the filename parameter in the getlogfile...

WindMill information leakage vulnerability

WindMill is a free open-source tool developed by Lukasavicus’ individual developer. It is used to control the execution of tasks in Python. Versions of WindMill prior to 1.634.6 contained a vulnerability known as “information leakage,” which occurred because the Slack OAuth client token was...

CVE-2026-0863

Using string formatting and exception handling, an attacker may bypass n8n's python-task-executor sandbox restrictions and run arbitrary unrestricted Python code in the underlying operating system. The vulnerability can be exploited via the Code block by an authenticated user with basic permissio...

CVE-2026-0863 Sandbox escape in n8n Python task runner allows for arbitrary code execution on the underlying host.

Using string formatting and exception handling, an attacker may bypass n8n's python-task-executor sandbox restrictions and run arbitrary unrestricted Python code in the underlying operating system. The vulnerability can be exploited via the Code block by an authenticated user with basic permissio...

CVE-2026-0863

Using string formatting and exception handling, an attacker may bypass n8n's python-task-executor sandbox restrictions and run arbitrary unrestricted Python code in the underlying operating system. The vulnerability can be exploited via the Code block by an authenticated user with basic permissio...

CVE-2026-0863

CVE-2026-0863 affects n8n’s python-task-executor sandbox. A crafted payload via the Code block, by an authenticated user with basic permissions, can bypass sandbox restrictions through string formatting and exception handling, enabling arbitrary Python code execution on the host in Internal execu...

CVE-2026-0863

Using string formatting and exception handling, an attacker may bypass n8n's python-task-executor sandbox restrictions and run arbitrary unrestricted Python code in the underlying operating system. The vulnerability can be exploited via the Code block by an authenticated user with basic permissio...

CVE-2026-0863: Improper Neutralization of Directives in Dynamically Evaluated Code

Using string formatting and exception handling, an attacker may bypass n8n's python-task-executor sandbox restrictions and run arbitrary unrestricted Python code in the underlying operating system. The vulnerability can be exploited via the Code block by an authenticated user with basic permissio...