--- title: "CVE-2026-83220: Oracle Siebel CRM Integration - Broken Access Control" description: "Oracle Siebel CRM Integration 23.6-26.7 contains an unauthorized data access vulnerability caused by insufficient access control in Event Publish and Subscribe, letting unauthenticated attackers with physical network access modify or access critical data." url: https://panop.io/threat-heartbeat/CVE-2026-83220/ --- # CVE-2026-83220 Oracle Siebel CRM Integration - Broken Access Control Oracle Siebel CRM Integration 23.6-26.7 contains an unauthorized data access vulnerability caused by insufficient access control in Event Publish and Subscribe, letting unauthenticated attackers with physical network access modify or access critical data. CVSS base score 8.1 /10 High CISA KEV Not listed Public exploit None known EPSS 0.27% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-83220) ## Details Type Broken Access Control Impact Information Disclosure, Data Tampering CVSS vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Published 15 September 2026 Updated 15 October 2026 Weakness [CWE-284](https://cwe.mitre.org/data/definitions/284.html) ## Vendor fix Update to the latest version beyond 26.7. 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-2026-83220](https://nvd.nist.gov/vuln/detail/CVE-2026-83220) - [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)