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CVE-2026-45776 ubccr CVE debrief

CVE-2026-45776 is a medium-severity vulnerability in Open XDMoD, a framework for collecting and analyzing HPC metrics. A flaw in its access control logic allows an attacker to bypass intended data access restrictions and view other users' compute job efficiency metrics if the optional Job Performance (SUPReMM) module is installed. The vulnerability was patched in Open XDMoD version 11.0.3.

Vendor
ubccr
Product
xdmod
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Users of Open XDMoD, especially those with the optional Job Performance (SUPReMM) module installed, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

Open XDMoD is vulnerable to an access control logic flaw (CVE-2026-45776) that allows an attacker to bypass data access restrictions and view other users' compute job efficiency metrics if the optional Job Performance (SUPReMM) module is installed. This issue was privately reported on 2026-04-06 and patched in Open XDMoD version 11.0.3 on 2026-05-12.

Defensive priority

MEDIUM

Recommended defensive actions

  • Upgrade to Open XDMoD version 11.0.3 or later.
  • Apply the patch manually as a workaround.

Evidence notes

The vulnerability has a CVSS score of 5.3 and is classified as CWE-284. It was reported privately on 2026-04-06 and patched on 2026-05-12.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-45776 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-45776

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-45776 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45776

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.