CVE-2026-34758

critical

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.

References

https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp

https://github.com/OneUptime/oneuptime/releases/tag/10.0.42

https://github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6fa610e433be4d2a4

Details

Source: Mitre, NVD

Published: 2026-04-02

Updated: 2026-04-03

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00028