CVE-2026-27728 OneUptime: OS Command Injection in Probe NetworkPathMonitor via unsanitized destination in traceroute exec()
Authenticated users can execute arbitrary OS commands on the Probe server by injecting shell metacharacters into the traceroute destination field.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-27728?
CVE-2026-27728 is a critical command injection vulnerability in oneuptime, published on 25 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-27728?
2 open source packages ship an affected version, including @oneuptime/common. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@oneuptime/common npm | All versions | 10.0.7 |
@oneuptime/common npm | All versions | 10.0.7 |
Products include Hackerbay Oneuptime.
How do I fix CVE-2026-27728?
Upgrade @oneuptime/common to 10.0.7 or later.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-27728 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27728 exists.
Other vulnerabilities in oneuptime
- CVE-2026-33396 Code injection in oneuptime
- CVE-2026-32306 OneUptime ClickHouse SQL Injection via Aggregate Query Parameters
- CVE-2026-30956 OneUptime has authorization bypass via client‑controlled is-multi-tenant-query header
- CVE-2026-30957 OneUptime Synthetic Monitor RCE via exposed Playwright browser object
- CVE-2026-30887 OneUptime Affected by Unsandboxed Code Execution in Probe Allows Any Project Member to Achieve RCE
Sources
Also known as GHSA-jmhp-5558-qxh5.