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CVE-2026-34758 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-34758

CVE-2026-34758

CRITICAL9.1

OneUptime: Missing Authentication on Notification Endpoints

Published Apr 2, 2026

Modified 1 weeks ago

Details

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

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://www.cve.org/CVERecord?id=CVE-2026-34758

CVSS Analysis

CVSS v3.1

9.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

9.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

Authentication

Missing Authentication

Ecosystems

Timeline

PublishedApr 2, 2026

ModifiedApr 3, 2026