CVE-2026-34758

EUVD-2026-18511
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
Affected Products (NVD)
VendorProductVersion
hackerbayoneuptime
𝑥
< 10.0.40
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6fa610e433be4d2a4
https://github.com/OneUptime/oneuptime/releases/tag/10.0.42
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp