CVE-2026-83079 Missing authorization in Siebel CRM Cloud Applications

High 7.9 Published 15 Sep 2026 Updated 17 Sep 2026

High-privileged attackers can bypass authorization to read, create, delete, or modify critical Siebel CRM Cloud data.

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

What is CVE-2026-83079?

CVE-2026-83079 is a high-severity missing authorization vulnerability in Oracle Corporation Siebel CRM Cloud Applications, 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 Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.7. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 7.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-83079?

How do I fix CVE-2026-83079?

No fix has been published for CVE-2026-83079 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-2026-83079 being exploited?

There is no known exploitation of CVE-2026-83079 in the wild and no public exploit code.

Sources

Also known as GHSA-983p-595c-fvrc.