Is CVE-2026-34758 actively exploited?

CVE-2026-34758 has no public evidence of in-the-wild exploitation as of 2026-04-03.

What is the CVSS score for CVE-2026-34758?

CVE-2026-34758 has a CVSS score of 9.1 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

How do I patch CVE-2026-34758?

Patch guidance is available from hackerbay security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-34758.

Which products are affected by CVE-2026-34758?

1 product: hackerbay oneuptime.

Fix CVE-2026-34758 - CRITICAL hackerbay oneuptime

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-306 · Missing Authentication

Metadata

Primary Vendor: HACKERBAY
Published: 4/2/2026
Last Modified: 4/3/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

hackerbay : oneuptime

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-34758. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-34758

View on NIST NVD

CVE-2026-34758 vulnerability