PT-2026-29875 · Oneuptime · Oneuptime

Axel-Corsiez · Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-34758

Mitre

CVSS v3.1

9.1

Critical

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

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.

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-34758

Affected Products

Oneuptime

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-34758 · Security Note
• https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp · Note
• https://github.com/OneUptime/oneuptime/releases/tag/10.0.42 · Note
• https://github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6fa610e433be4d2a4 · Note