Quick answers
- Is CVE-2026-91430 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91430 being exploited in the wild.
- How severe is CVE-2026-91430?
- Medium severity, with a CVSS score of 6.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle Siebel CRM 17.0 to 26.9.
- Is there a fix for CVE-2026-91430?
- 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-2026-91430 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91430?
- 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 unauthenticated network-accessible vulnerability in the Financial Accounts component of Siebel Apps - Financial Services allows an attacker with difficult exploitation preconditions to bypass access controls. Successful exploitation grants confidentiality and integrity impact through unauthorized read, update, insert, or delete operations on financial data accessible through the application.
Affected products
- Oracle Siebel CRM 17.0 to 26.9
Timeline
- 2026-10-20: disclosed