Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Buffalo | Open Xdmod | >= 9.5.0, < 11.0.3 |
Related Weaknesses (CWE)
References
- https://github.com/ubccr/xdmod/releases/tag/v11.0.3-2Release Notes
- https://github.com/ubccr/xdmod/security/advisories/GHSA-29qm-7w4v-43fwPatchVendor Advisory
- https://open.xdmod.org/security_patches/GHSA-29qm-7w4v-43fw-9_5_0-11_0_2.patchPatch
FAQ
What is CVE-2026-45777?
CVE-2026-45777 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 se...
How severe is CVE-2026-45777?
CVE-2026-45777 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-45777?
Check the references section above for vendor advisories and patch information. Affected products include: Buffalo Open Xdmod.