CVE-2026-34156

🚨 CVE-2026-34156 - NocoBase Critical Sandbox Escape Unauthenticated / Low-Privilege → Root Remote Code Execution in NocoBase 📌 Overview CVE-2026-34156 is a critical sandbox escape vulnerability in NocoBase an open-source no-code/low-code platform. An attacker with the ability to create or execute...

NocoBase Workflow Script Node VM Sandbox Escape RCE

Exploits CVE-2026-34156 in NocoBase Workflow Script Node. The module leverages an exposed host-realm WritableWorkerStdio stream object console.stdout / console.stderr to traverse the prototype chain, obtain the host-realm's Function constructor, and execute arbitrary commands bypassing the Node.j...

📄 NocoBase 2.0.27 Sandbox Escape / Remote Code Execution

NocoBase versions 2.0.27 and below suffer from a sandbox escape vulnerability in the Workflow Script Node. The console object passed into the Node.js vm sandbox context exposes host-realm WritableWorkerStdio stream objects via console.stdout. An authenticated attacker can traverse the prototype...

CVE-2026-34156

NocoBase exposes a sandbox escape in the Workflow Script Node: an attacker can traverse the sandbox through the host console object (console._stdout/console._stderr) prototype chain to reach the Function constructor, access process, require child_process, and achieve Remote Code Execution as root...

CVE-2026-34156 NocoBase Affected by Sandbox Escape to RCE via console._stdout Prototype Chain Traversal in Workflow Script Node

NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist controlled by WORKFLOWSCRIPTMODUL...

CVE-2026-34156

NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist controlled by WORKFLOWSCRIPTMODUL...

CVE-2026-34156 NocoBase Affected by Sandbox Escape to RCE via console._stdout Prototype Chain Traversal in Workflow Script Node

NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist controlled by WORKFLOWSCRIPTMODUL...

CVE-2026-34156: Improper Control of Dynamically-Managed Code Resources

NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist controlled by WORKFLOWSCRIPTMODUL...