CVE-2026-34758
CRITICALOneUptime: Missing Authentication on Notification Endpoints
Title source: cnaDescription
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