CVE-2026-45777: Open XDMoD Vulnerable to Unauthenticated Remote Code Execution (RCE) via OS Command Injection
OpenXDMoD is an open framework for collecting and analyzing HPC metrics. Starting in version 9.5.0 and prior to version 11.0.3, an attacker can remotely execute arbitrary system commands on the web server hosting Open XDMoD with the privileges of the web server process. This could allow an attacker to read or modify application data, alter system configuration, or disrupt service availability. All deployments of Open XDMoD versions 9.5.0 through 11.0.2 (inclusive) are impacted. This issue was reported privately on 2026-04-06, and at this time there is no evidence that this vulnerability has been exploited in the wild. The vulnerability was patched in Open XDMoD 11.0.3 on 2026-05-12. As a workaround, apply the patch manually.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Open XDMoDto a version that resolves this vulnerability.Fixed in 11.0.3 - Operational
If you cannot immediately upgrade to Open XDMoD 11.0.3, apply the vendor-provided patch manually as a workaround (the fix released in Open XDMoD 11.0.3).
Event History
Frequently Asked Questions
What is the severity of CVE-2026-45777?
The severity of CVE-2026-45777 is critical with a CVSS score of 9.3.
How do I fix CVE-2026-45777?
To fix CVE-2026-45777, upgrade to Open XDMoD version 11.0.3 or later.
What type of vulnerability is CVE-2026-45777?
CVE-2026-45777 is an OS command injection vulnerability allowing unauthenticated remote code execution.
What can attackers achieve with CVE-2026-45777?
Attackers can execute arbitrary system commands on the web server hosting Open XDMoD with web server process privileges.
Which versions of Open XDMoD are affected by CVE-2026-45777?
Open XDMoD versions 9.5.0 to 11.0.2 are affected by CVE-2026-45777.