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PatchSiren cyber security CVE debrief

CVE-2026-45778 ubccr CVE debrief

CVE-2026-45778 is a high-severity vulnerability in Open XDMoD, a framework for collecting and analyzing HPC metrics. An authenticated attacker can inject malicious JavaScript into their Open XDMoD user profile and abuse the password reset functionality to email a link to an HTML page. When visited by the victim, the page reflects and executes the unsanitized payload in the victim's browser, potentially leading to credential capture and Open XDMoD account takeover. The vulnerability has a CVSS score of 8.6 and is considered HIGH severity.

Vendor
ubccr
Product
xdmod
CVSS
HIGH 8.6
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

Open XDMoD users and administrators should be aware of this vulnerability and take immediate action to patch their installations.

Technical summary

The vulnerability exists in Open XDMoD versions prior to 11.0.3. An attacker can inject malicious JavaScript into their user profile, which can then be executed by other users who visit the affected page. The vulnerability is caused by a lack of proper input sanitization.

Defensive priority

High

Recommended defensive actions

  • Apply the patch manually by updating to Open XDMoD version 11.0.3 or later.
  • Review and sanitize user input to prevent similar vulnerabilities in the future.

Evidence notes

The vulnerability was reported privately on 2026-04-06 and patched in Open XDMoD 11.0.3 on 2026-05-12. There is no evidence that this vulnerability has been exploited in the wild.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-45778 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-45778

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

  • CVE-2026-45778 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45778

    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.