CVE-2026-34758

PoC —

CVSS 3.1

9.1 critical

EPSS

<1%p28

Published

Apr 2, 2026 (Apr 2, 2026)

Modified

Jul 24, 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.

Vendors: hackerbay
Products: oneuptime
Weakness: CWE-306
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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