Quick answers
- Is CVE-2026-91448 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91448 being exploited in the wild.
- How severe is CVE-2026-91448?
- High severity, with a CVSS score of 7.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle Siebel CRM Deployment 17.0 through 26.9.
- Is there a fix for CVE-2026-91448?
- 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-2026-91448 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-91448?
- Check whether you run Oracle Siebel CRM Deployment 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 vulnerability in the Server Infrastructure component of Siebel CRM Deployment allows unauthenticated remote attackers to access protected data via HTTP. The vulnerability requires only network access and no user interaction. Successful exploitation results in unauthorized access to confidential data handled by the CRM system.
Affected products
- Oracle Siebel CRM Deployment 17.0 through 26.9
Timeline
- 2026-10-20: disclosed