Critical severity9.8NVD Advisory· Published Apr 2, 2026· Updated Jul 24, 2026
CVE-2026-35053
CVE-2026-35053
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
2- github.com/OneUptime/oneuptime/security/advisories/GHSA-6c3w-7xg4-4cf7nvdExploitVendor Advisory
- github.com/OneUptime/oneuptime/releases/tag/10.0.42nvdProductRelease Notes
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