CVE-2026-83207 Denial of service in Siebel CRM Development
Low-privileged attackers can cause complete denial of service and unauthorized data access in Oracle Siebel CRM Development via HTTP.
- 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-2026-83207?
CVE-2026-83207 is a high-severity denial of service vulnerability in Oracle Corporation Siebel CRM Development, 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 Development product of Oracle Siebel CRM (component: Integration - Scripting). 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 Development. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Development as well as unauthorized update, insert or delete access to some of Siebel CRM Development accessible data and unauthorized read access to a subset of Siebel CRM Development accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-83207?
How do I fix CVE-2026-83207?
No fix has been published for CVE-2026-83207 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-83207 being exploited?
There is no known exploitation of CVE-2026-83207 in the wild and no public exploit code.
Sources
Also known as GHSA-qg6q-wpp9-2cmh.