CVE-2026-34758
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
ProductHackerbay Oneuptime
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- hackerbay oneuptime10.0.40 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hackerbay oneuptime | v < 10.0.40 | 10.0.40 |
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