CVE-2026-34758 PUBLISHED

OneUptime: Missing Authentication on Notification Endpoints

Assigner: GitHub_M
Reserved: 30.03.2026 Published: 02.04.2026 Updated: 02.04.2026

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.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	OneUptime
Product	oneuptime
Versions	Version < 10.0.42 is affected

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

Problem Types

CWE-306: Missing Authentication for Critical Function CWE