CVE-2026-34758

CRITICAL

OneUptime: Missing Authentication on Notification Endpoints

Title source: cna

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 v3 9.1
EPSS 0.0004
EPSS Percentile 11.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (2)
hackerbay/oneuptime < 10.0.40
OneUptime/oneuptime < 10.0.42
Published Apr 02, 2026
Tracked Since Apr 03, 2026