Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Adjacent network access required, no authentication or user interaction, full impact on all CIA components.
Primary rating from Vendor (usom).
CVSS VectorVendor: usom
Lifecycle Timeline
2DescriptionCVE.org
Missing authentication for critical function vulnerability in Universal Software Inc. UKBS allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects UKBS: through 28072026. NOTE: The vendor was contacted and it was learned that the product is not supported.
AnalysisAI
Missing authentication in Universal Software Inc. UKBS through version 28072026 allows adjacent network attackers to access restricted critical functionality without credentials, resulting in complete compromise of confidentiality, integrity, and availability. The vendor has confirmed the product is no longer supported, leaving all installations permanently vulnerable. No active exploitation or public exploit code has been reported.
Technical ContextAI
The vulnerability is classified as CWE-306: Missing Authentication for Critical Function, indicating that the UKBS application fails to verify user identity before granting access to sensitive operations. The product appears to be a proprietary software system from Universal Software Inc., with no further details available on its underlying technology stack. The missing authentication flaw permits unauthorized access to functionality that should be constrained by access control lists, effectively bypassing all intended security boundaries.
RemediationAI
No official patch is available because the vendor has discontinued support. As immediate compensating controls, organizations should isolate UKBS from all untrusted networks, restrict access to only explicitly authorized administrators via firewall rules or network segmentation, and monitor for anomalous access attempts. Block inbound connections to the UKBS service from adjacent network segments unless strictly necessary for business operations. Long term, decommission the product or replace it with a supported alternative. Note that isolation may disrupt legitimate workflows if UKBS is integrated with other systems; carefully assess dependencies before implementing restrictions.
Same technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-49769
GHSA-v5fv-jqvg-9pc9