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TI-2026-33514 Aliases CVE-2026-45777

Open XDMoD Vulnerable to Unauthenticated Remote Code Execution (RCE) via OS Command Injection

Priority MEDIUM 48CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00388 33rd percentileScored 2026-11-07
Fix Fixed xdmod (ubccr): 11.0.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BUFFALO INC.xdmod9.5.0 to before 11.0.311.0.3Patch availableCNA
  • xdmod VendorBUFFALO INC. Affected 9.5.0 to before 11.0.3 Fixed in 11.0.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:buffalo:open_xdmod:*:*:*:*:*:*:*:*9.5.0 to before 11.0.3VulnerableBUFFALO INC.
  • cpe:2.3:a:buffalo:open_xdmod:*:*:*:*:*:*:*:* Versions 9.5.0 to before 11.0.3 Vulnerable ·BUFFALO INC.

Remediation

  • Fix · CNA xdmod (ubccr) Fixed in 11.0.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45777
  2. 2026-10-25 EPSS moved to the below the 50th percentile

References

  • TI-2026-33516 Open XDMoD Vulnerable to Unauthenticated SQL Injection Leading to Full Database Compromise CVSS 4.0CRITICAL 9.3
  • TI-2018-12139 An issue was discovered in Open XDMoD through 7.5.0. CVSS 3.1CRITICAL 9.8
  • TI-2018-12116 An issue was discovered in Open XDMoD through 7.5.0. CVSS 3.0HIGH 7.5
  • TI-2026-33515 Open XDMoD Vulnerable to Reflected Cross-Site Scripting (XSS) in Password Reset CVSS 4.0HIGH 8.6
  • TI-2018-12115 An issue was discovered in Open XDMoD through 7.5.0. CVSS 3.0MEDIUM 6.1
  • TI-2026-33513 Open XDMoD has Broken Access Control via Client-Controlled Session Variable CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences