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OneUptime: Synthetic Monitor RCE via exposed Playwright browser object

🗓️ 07 Mar 2026 02:39:04Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 3 Views

OneUptime Synthetic Monitors run untrusted Playwright code with live browser objects, enabling host remote code execution.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-30921
9 Mar 202622:58
–attackerkb
Circl		CVE-2026-30921
6 Mar 202619:52
–circl
CNNVD		OneUptime 安全漏洞
10 Mar 202600:00
–cnnvd
CVE		CVE-2026-30921
9 Mar 202622:58
–cve
Cvelist		CVE-2026-30921 OneUptime Synthetic Monitor RCE via exposed Playwright browser object
9 Mar 202622:58
–cvelist
EUVD		EUVD-2026-10434
9 Mar 202622:58
–euvd
EUVD		EUVD-2026-10435
9 Mar 202622:58
–euvd
NVD		CVE-2026-30921
10 Mar 202617:40
–nvd
OSV		CVE-2026-30921 OneUptime Synthetic Monitor RCE via exposed Playwright browser object
9 Mar 202622:58
–osv
OSV		GHSA-4J36-39GM-8VQ8 OneUptime: Synthetic Monitor RCE via exposed Playwright browser object
7 Mar 202602:39
–osv
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Vulners
Node
oneuptimecommon_serverRange<10.0.20npm
SourceLink
githubwww.github.com/OneUptime/oneuptime/security/advisories/GHSA-4j36-39gm-8vq8
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/App/FeatureSet/Dashboard/src/Components/Form/Monitor/MonitorStep.tsx
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/App/FeatureSet/Dashboard/src/Components/Form/Monitor/MonitorTest.tsx
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Common/Models/DatabaseModels/Monitor.ts
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Common/Models/DatabaseModels/MonitorTest.ts
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Common/Server/Utils/VM/VMRunner.ts
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Probe/Jobs/Monitor/FetchList.ts
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Probe/Jobs/Monitor/FetchMonitorTest.ts
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Probe/Utils/Monitors/Monitor.ts
githubwww.github.com/OneUptime/oneuptime/blob/8e90f451426b160718bdd1796b68c5ec15318101/Probe/Utils/Monitors/MonitorTypes/SyntheticMonitor.ts
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10 Mar 2026 18:44Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.9
EPSS0.00022
SSVC
CWE-749
Playwright browserremote code executionsynthetic monitorsuntrusted codeprobe hostbrowser object
3