CVE-2026-83217 Missing authorization in Siebel CRM End User

High 7.1 Published Updated

A low-privileged attacker can access and modify Siebel CRM data via HTTP due to missing authorization checks.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-83217?

CVE-2026-83217 is a high-severity missing authorization vulnerability in Oracle Corporation Siebel CRM End User, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM End User accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-83217?

How do I fix CVE-2026-83217?

No fix has been published for CVE-2026-83217 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-2026-83217 being exploited?

There is no known exploitation of CVE-2026-83217 in the wild and no public exploit code.

Sources

Also known as GHSA-4mjj-2484-x535.

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