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.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp
X_Refsource_Misc x_refsource_misc
https://github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6fa610e433be4d2a4
X_Refsource_Misc x_refsource_misc
https://github.com/OneUptime/oneuptime/releases/tag/10.0.42
Scores
CVSS v3
9.1
EPSS
0.0035
EPSS Percentile
26.4%
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