CVE-2026-83343 Oracle Utilities Network Management System - Broken Access Control

Oracle Utilities Network Management System 2.5.0.2.0-2.5.0.2.13, 2.6.0.1.0-2.6.0.12B, 2.6.0.2.0-2.6.0.2.10A, and 25.12.0.0.0-25.12.0.0.3 contains an unauthorized access vulnerability caused by improper access control in the system wide component, letting unauthenticated attackers with network access via HTTP access and modify critical data, exploit requires network access via HTTP.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest available version of Oracle Utilities Network Management System.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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