Description
OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, unauthenticated access to Notification test and Phone Number management endpoints allows SMS/Call/Email/WhatsApp abuse and phone number purchase. This issue has been patched in version 10.0.42.
Affected products
hackerbay: oneuptime
References4
- github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6w… ExploitMitigationVendor Advisory
- github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6w… ExploitMitigationVendor Advisory
- github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6f… Patch
- github.com/OneUptime/oneuptime/releases/tag/10.0.42 Release Notes
Metrics
- CVSS 3.1
-
9.1
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 0% percentile: 30 · as of 12 November 2026
- CWE
- CWE-306
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.