ubccr xdmod up to 11.0.2 HTTPS access control

Summaryinfo

A vulnerability marked as critical has been reported in ubccr xdmod up to 11.0.2. This affects an unknown function of the component HTTPS Handler. The manipulation leads to access control. This vulnerability is documented as CVE-2026-45776. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ubccr xdmod up to 11.0.2. It has been rated as critical. This issue affects an unknown code of the component HTTPS Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. The summary by CVE is:

OpenXDMoD is an open framework for collecting and analyzing HPC metrics. Prior to version 11.0.3, a flaw in Open XDMoD's access control logic allows an attacker to submit a crafted HTTPS POST request that sets a session variable used for authorization decisions. If an installation of Open XDMoD includes the optional Job Performance (SUPReMM) module, an attacker could bypass intended data access restrictions and view other users' compute job efficiency metrics. All deployments of Open XDMoD prior to version 11.0.3 that contain the optional Job Performance (SUPReMM) module 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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-45776 since 05/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 11.0.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Vendor

• ubccr

Name

• xdmod

Version

• 11.0.0
• 11.0.1
• 11.0.2

Website

• Product: https://github.com/ubccr/xdmod/

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