CVE-2026-30887

CVE-2026-30887 · OneUptime Affected by Unsandboxed Code Execution in Probe Allows Any Project Member to Achieve RCE

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OneUptime is a solution for monitoring and managing online services. Prior to 10.0.18, OneUptime allows project members to run custom Playwright/JavaScript code via Synthetic Monitors to test websites. However, the system executes this untrusted user code inside the insecure Node.js vm module. By leveraging a standard prototype-chain escape (this.constructor.constructor), an attacker can bypass the sandbox, gain access to the underlying Node.js process object, and execute arbitrary system commands (RCE) on the oneuptime-probe container. Furthermore, because the probe holds database/cluster credentials in its environment variables, this directly leads to a complete cluster compromise. This vulnerability is fixed in 10.0.18.

CVSS 10.0 · Критический · EPSS 0,4% · Есть исправление

Опубликовано

2026-03-09T22:40:04.425Z

Обновлено

2026-03-10T14:00:44.197Z

Стек: node

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