CVE-2026-27728

Name: CVE-2026-27728
Creator: NVD / NIST
Published: 2026-02-25T17:25:40.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.73%

Last modified Jun 17, 2026

CVE-2026-27728 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. OneUptime is a solution for monitoring and managing online services. Prior to version 10.0.7, an OS command injection vulnerability in `NetworkPathMonitor.performTraceroute()` allows any authenticated project user to execute arbitrary operating system commands on the Probe server by injecting shell metacharacters into a monitor's destination field. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

OneUptime is a solution for monitoring and managing online services. Prior to version 10.0.7, an OS command injection vulnerability in `NetworkPathMonitor.performTraceroute()` allows any authenticated project user to execute arbitrary operating system commands on the Probe server by injecting shell metacharacters into a monitor's destination field. Version 10.0.7 fixes the vulnerability.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.73%

74.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Hackerbay	Oneuptime	< 10.0.7

References

https://github.com/OneUptime/oneuptime/commit/f2cce35a04fac756cecc7a4c55e23758b99288c1Patch
https://github.com/OneUptime/oneuptime/security/advisories/GHSA-jmhp-5558-qxh5Exploit, Vendor Advisory

Timeline

Published: Feb 25, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-27728?

How severe is CVE-2026-27728?

CVE-2026-27728 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.

How do I fix CVE-2026-27728?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27728?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST