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Known CVE

NocoBase - VM Sandbox Escape to Remote Code Execution

NocoBase Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist controlled by WORKFLOW_SCRIPT_MODULES env var. The console object passed into the sandbox context exposes host-realm WritableWorkerStdio stream objects via console._stdout and console._stderr. An authenticated attacker can traverse the prototype chain (console._stdout.constructor.constructor to Function to process to child_process) to escape the sandbox and achieve Remote Code Execution as root.

CVE-2026-34156

Critical2026CVSS 10CWE-913

cve2026 · nocobase · rce · sandbox-escape · workflow · vm-escape · authenticated · vuln

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