Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-35053

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, the Worker service's ManualAPI exposes workflow execution endpoints (GET /workflow/manual/run/:workflowId and POST /workflow/manual/run/:workflowId) without any authentication middleware. An attacker who can obtain or guess a workflow ID can trigger arbitrary workflow execution with attacker-controlled input data, enabling JavaScript code execution, notification abuse, and data manipulation. This issue has been patched in version 10.0.42.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.0%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-35053


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