Quick answers
- Is CVE-2026-91369 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91369 being exploited in the wild.
- How severe is CVE-2026-91369?
- Medium severity, with a CVSS score of 5.3, published 20 October 2026.
- Which products and versions are affected?
- Oracle Siebel CRM Cloud Applications 22.3-26.9.
- Is there a fix for CVE-2026-91369?
- 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-2026-91369 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91369?
- Check whether you run Oracle Siebel CRM Cloud Applications 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 integrity vulnerability exists in the Siebel Cloud Manager component that allows unauthorized modification or deletion of critical data. The attack requires network access via HTTP, low privilege credentials, and is difficult to exploit (high complexity). An attacker gains unauthorized write/delete access to Siebel CRM data accessible through the application without authentication bypass.
Affected products
- Oracle Siebel CRM Cloud Applications 22.3-26.9
Timeline
- 2026-10-20: disclosed