CVE-2026-34758

OneUptime: Missing Authentication on Notification Endpoints

State: Published
Severity: 9.1 Critical
Published: Apr 2, 2026
Updated: Apr 3, 2026
Reserved: Mar 30, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	GitHub_M

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
oneuptimeOneUptime	< 10.0.42Affected

References

https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp
https://github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6fa610e433be4d2a4
https://github.com/OneUptime/oneuptime/releases/tag/10.0.42

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