CVE-2026-56777

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...

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...

CVE-2026-49444

n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, 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 vulnerabili...

CVE-2026-49444 n8n: Python sandbox escape

n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, 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 vulnerabili...

CVE-2026-49444 n8n: Python sandbox escape

n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, 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 vulnerabili...

CVE-2026-49444 n8n: Python sandbox escape

n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, 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 vulnerabili...

CVE-2026-49444

CVE-2026-49444 affects n8n prior to versions 1.123.48, 2.21.8, and 2.22.4 where an authenticated user with permission to create/modify workflows containing a Python Code Node could escape the sandbox and achieve arbitrary code execution on the task runner container. The issue is fixed in 1.123.48...

GHSA-JWM3-QCFW-C5PP n8n: Python Code Node AST Validator Bypass

Impact An authenticated user with permission to create or modify workflows containing a Python Code node could bypass the AST security validator and access the task executor module namespace. On self-hosted instances where N8NBLOCKRUNNERENVACCESS=false is set, this extended to disclosure of...

GHSA-9PQ8-M8GP-4P53 n8n: Python sandbox escape

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 bee...

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 sandbox escape

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 bee...

PT-2026-50150

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.48 n8n versions prior to 2.21.8 n8n versions prior to 2.22.4 Description An authenticated user with permissions to create or modify workflows containing a Python Code Node can escape the sandbox to achieve arbitrary...

CVE-2026-42234

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...

The vulnerability of the Python Task Runner module of the N8n automation platform allows a hacker to bypass the sandbox protection mechanisms and execute arbitrary code.

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 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 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...