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n8n: Python Code Node AST Validator Bypass

🗓️ 16 Jun 2026 22:39:46Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

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 N8N_BLOCK_RUNNER_ENV_ACC...

Detection
Refs
Vulners
Node
n8nn8nRange<2.25.7npm
OR
n8nn8nRange2.26.02.26.2npm

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16 Jun 2026 22:39Current
5.5Medium risk
Vulners AI Score5.5
5