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CVE-2026-45776

Open XDMoD has Broken Access Control via Client-Controlled Session Variable

Published: Jun 5, 2026Updated: Jun 10, 2026 Sources: CVE List NVDCWE-284
4.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 85.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-284NVD-CWE-noinfo

Affected Products

open xdmodbuffaloNetworking Infrastructure
xdmodubccr
On-prem
Enterprise Software
buffalocommercialTWNetworking Infrastructureaka wzr-600dhp firmware, wzr-1750dhp2 firmware, wzr-900dhp firmware
ubccrcommercialEnterprise Software

Exploitability

Official Patch Available

References

https://github.com/ubccr/xdmod/releases/tag/v11.0.3-2
github.com
https://github.com/ubccr/xdmod/security/advisories/GHSA-3hfh-m242-8rmh
github.com
https://open.xdmod.org/security_patches/GHSA-3hfh-m242-8rmh-0_0_0-11_0_2.patch
open.xdmod.org

Timeline

Published
Jun 5, 2026
Last Updated
Jun 10, 2026

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