{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30957", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-07T17:34:39.981Z", "datePublished": "2026-03-10T16:58:28.216Z", "dateUpdated": "2026-03-10T18:22:16.657Z"}, "containers": {"cna": {"title": "OneUptime Synthetic Monitor RCE via exposed Playwright browser object", "problemTypes": [{"descriptions": [{"cweId": "CWE-749", "lang": "en", "description": "CWE-749: Exposed Dangerous Method or Function", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/OneUptime/oneuptime/security/advisories/GHSA-jw8q-gjvg-8w4q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/OneUptime/oneuptime/security/advisories/GHSA-jw8q-gjvg-8w4q"}, {"name": "https://github.com/OneUptime/oneuptime/releases/tag/10.0.21", "tags": ["x_refsource_MISC"], "url": "https://github.com/OneUptime/oneuptime/releases/tag/10.0.21"}], "affected": [{"vendor": "OneUptime", "product": "oneuptime", "versions": [{"version": "< 10.0.21", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-10T16:58:28.216Z"}, "descriptions": [{"lang": "en", "value": "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": {"advisory": "GHSA-jw8q-gjvg-8w4q", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-10T18:21:28.474564Z", "id": "CVE-2026-30957", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-10T18:22:16.657Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-30957", "lastModified": "2026-03-10T18:18:54.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-10T18:18:54.737", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/OneUptime/oneuptime/releases/tag/10.0.21"}, {"source": "security-advisories@github.com", "url": "https://github.com/OneUptime/oneuptime/security/advisories/GHSA-jw8q-gjvg-8w4q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-749"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}