CVE-2026-83197 Auth bypass in Siebel Apps - Financial Services
Unauthenticated attackers can access critical data and cause denial of service in Oracle Siebel CRM Financial Services.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83197?
CVE-2026-83197 is a critical authentication bypass vulnerability in Oracle Corporation Siebel Apps - Financial Services, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Siebel Apps - Financial Services product of Oracle Siebel CRM (component: Financial Accounts). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Financial Services. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Apps - Financial Services accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel Apps - Financial Services. CVSS 3.1 Base Score 9.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H).
Weakness: CWE-306
Which versions are affected by CVE-2026-83197?
How do I fix CVE-2026-83197?
No fix has been published for CVE-2026-83197 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-83197 being exploited?
There is no known exploitation of CVE-2026-83197 in the wild and no public exploit code.
Sources
Also known as GHSA-5mhc-9mj7-v8cc.