Quick answers
- Is CVE-2026-91443 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91443 being exploited in the wild.
- How severe is CVE-2026-91443?
- Medium severity, with a CVSS score of 6.5, published 20 October 2026.
- Which products and versions are affected?
- Oracle Siebel CRM Deployment 17.0-26.9.
- Is there a fix for CVE-2026-91443?
- 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-2026-91443 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91443?
- 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
The vulnerability in Siebel CRM Deployment's Server Infrastructure component allows a low-privileged attacker to read sensitive data via HTTP requests. Exploitation requires network access and a valid user account with low privileges; no user interaction is needed. Successful exploitation results in unauthorized access to critical or complete database contents.
Affected products
- Oracle Siebel CRM Deployment 17.0-26.9
Timeline
- 2026-10-20: disclosed