Vulnerability · Published Feb 25, 2026 · Assigned by GitHub_M

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

Critical 10.0

In plain English

A critical-severity OS command injection in oneuptime from OneUptime. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 80% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)2.0%top 19.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@oneuptime/common	10.0.7	GHSA-jmhp-5558-qxh5

Affected products (as reported)

Vendor	Product	Versions
OneUptime	oneuptime	< 10.0.7

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

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