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Public proof of conceptFix available

CVE-2026-27728

OneUptime: OS Command Injection in Probe NetworkPathMonitor via unsanitized destination in traceroute exec()

A public proof of concept exists; no exploitation attested.

  • Published2026-02-25
  • Fixed in10.0.7
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-02-2517:25CVE publishedNVD

Versions per branch

NVD · OSV
Hackerbay oneuptime
BranchAffectedFixed in
10.0< 10.0.710.0.7

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Hackerbay oneuptime to 10.0.7

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2026-02-25
  • CNACVSS 3.19.9known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNAweakness (CWE)CWE-78known since 2026-10-23
  • FIRST EPSSEPSS score2.0 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2026-02-25

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-02-25
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-jmhp-5558-qxh5

Frequently asked questions

What is CVE-2026-27728?

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.

Is CVE-2026-27728 actively exploited?

A proof-of-concept exploit exists for CVE-2026-27728, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-27728?

CVE-2026-27728 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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