--- title: "CVE-2026-83343: Oracle Utilities Network Management System - Broken Access Control" description: "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." url: https://panop.io/threat-heartbeat/CVE-2026-83343/ --- # 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-83343) ## 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](https://cwe.mitre.org/data/definitions/306.html) ## 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 - [https://nvd.nist.gov/vuln/detail/CVE-2026-83343](https://nvd.nist.gov/vuln/detail/CVE-2026-83343) - [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)