---
id: CVE-2026-34758
title: OneUptime is an open-source monitoring and observability platform
summary: >-
  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…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-306
vendor: hackerbay
product: oneuptime
affected:
  - oneuptime < 10.0.40
patched:
  - oneuptime 10.0.40
published: '2026-04-02'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T22:10:00.247'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-34758'
references:
  - url: >-
      https://github.com/OneUptime/oneuptime/commit/9adbd04538714740506708d6fa610e433be4d2a4
    label: security-advisories@github.com
  - url: 'https://github.com/OneUptime/oneuptime/releases/tag/10.0.42'
    label: security-advisories@github.com
  - url: >-
      https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp
    label: security-advisories@github.com
  - url: >-
      https://github.com/OneUptime/oneuptime/security/advisories/GHSA-q253-6wcm-h8hp
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00495
epssPercentile: 0.40391
ingestedAt: '2026-10-06T22:23:15.913Z'
---

## Overview

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.

## Affected

- `oneuptime < 10.0.40`

## Remediation

Upgrade past the affected range:

- `oneuptime 10.0.40`