CVE-2026-30921

OneUptime has a server-side RCE in Synthetic Monitors prior to version 10.0.20: untrusted user-provided Playwright code runs inside the oneuptime-probe VM with live Playwright objects (browser/page) injected, allowing an attacker to call browser.browserType().launch() and spawn arbitrary executab...

EUVD-2026-10434

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.20, OneUptime Synthetic Monitors allow low-privileged project users to submit custom Playwright code that is executed on the oneuptime-probe service. In the current implementation, this untrusted code is run inside...

CVE-2026-30921

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.20, OneUptime Synthetic Monitors allow low-privileged project users to submit custom Playwright code that is executed on the oneuptime-probe service. In the current implementation, this untrusted code is run inside...

CVE-2026-30921 OneUptime Synthetic Monitor RCE via exposed Playwright browser object

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.20, OneUptime Synthetic Monitors allow low-privileged project users to submit custom Playwright code that is executed on the oneuptime-probe service. In the current implementation, this untrusted code is run inside...

OneUptime: Synthetic Monitor RCE via exposed Playwright browser object

Summary OneUptime Synthetic Monitors allow low-privileged project users to submit custom Playwright code that is executed on the oneuptime-probe service. In the current implementation, this untrusted code is run inside Node's vm and is given live host Playwright objects such as browser and page...