CVE-2026-83220 Missing authorization in Siebel CRM Integration

High 8.1 Published Updated

Unauthenticated attackers on the local network can read, create, delete, or modify critical Siebel CRM Integration data due to missing authorization checks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-83220?

CVE-2026-83220 is a high-severity missing authorization vulnerability in Oracle Corporation Siebel CRM Integration, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and Subscribe). Supported versions that are affected are 23.6-26.7. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Integration executes to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-83220?

How do I fix CVE-2026-83220?

No fix has been published for CVE-2026-83220 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-83220 being exploited?

There is no known exploitation of CVE-2026-83220 in the wild and no public exploit code.

Sources

Also known as GHSA-j8q4-fq9j-j4rq.

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