# CVE-2026-83197: Oracle Siebel CRM Financial Services authentication bypass in Financial Accounts

Source: https://junglewise.ai/threats/cve-2026-83197-oracle-siebel-crm-financial-services-authentication-bypass-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83197 · Severity: critical · CVSS 9.1 · Published 2026-09-15

Oracle Siebel CRM is an enterprise customer relationship management platform used by financial services firms to manage customer accounts and data. A critical unauthenticated vulnerability in the Financial Accounts component allows remote attackers to access sensitive customer and financial data without credentials, and to crash the service. This could expose confidential financial information and disrupt business operations.

Technologies: [Oracle Siebel CRM](https://junglewise.ai/threats/technologies/siebel-crm). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83197 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83197 being exploited in the wild.

**How severe is CVE-2026-83197?** Critical severity, with a CVSS score of 9.1, published 15 September 2026.

**Which products and versions are affected?** Oracle Siebel CRM 17.0–26.7.

**Is there a fix for CVE-2026-83197?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-83197 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-83197?** Check whether you run Oracle Siebel CRM at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An easily exploitable authentication bypass or direct object reference vulnerability exists in the Financial Accounts component of Oracle Siebel CRM's Financial Services application. The flaw is reachable remotely over HTTP without authentication or user interaction required. An attacker with network access can exploit this to read all accessible financial and customer data and trigger denial-of-service conditions (application hang or crash). The vulnerability affects Siebel Apps versions 17.0 through 26.7. Oracle has assigned CVE-2026-83197 with a CVSS 3.1 score of 9.1 reflecting high confidentiality and availability impact.

## Affected products

- Oracle Siebel CRM 17.0–26.7

## Timeline

- 2026-09-15: disclosed

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

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