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I. Basic Information for CVE-2026-30957
Vulnerability Information

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Vulnerability Title
OneUptime Synthetic Monitor RCE via exposed Playwright browser object
Source: NVD (National Vulnerability Database)
Vulnerability Description
OneUptime is a solution for monitoring and managing online services. Prior to 10.0.21, OneUptime Synthetic Monitors allow a low-privileged authenticated project user to execute arbitrary commands on the oneuptime-probe server/container. The root cause is that untrusted Synthetic Monitor code is executed inside Node's vm while live host-realm Playwright browser and page objects are exposed to it. A malicious user can call Playwright APIs on the injected browser object and cause the probe to spawn an attacker-controlled executable. This is a server-side remote code execution issue. It does not require a separate vm sandbox escape. This vulnerability is fixed in 10.0.21.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
暴露危险的方法或函数
Source: NVD (National Vulnerability Database)
Vulnerability Title
OneUptime 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OneUptime是OneUptime开源的一个全面的解决方案。用于监控和管理您的在线服务。 OneUptime 10.0.21之前版本存在安全漏洞,该漏洞源于Synthetic Monitors中未受信任代码执行不当,可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
OneUptimeoneuptime < 10.0.21 -
II. Public POCs for CVE-2026-30957
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III. Intelligence Information for CVE-2026-30957
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IV. Related Vulnerabilities
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