Quick answers
- Is CVE-2026-91361 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91361 being exploited in the wild.
- How severe is CVE-2026-91361?
- 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 through 26.9.
- Is there a fix for CVE-2026-91361?
- 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-2026-91361 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91361?
- 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 easily exploitable vulnerability in the Siebel Cloud Manager component allows an unauthenticated attacker with network access via HTTP to modify, insert, or delete data in Siebel CRM Cloud Applications. The flaw requires no authentication, user interaction, or complex exploitation techniques, making it accessible to remote attackers. Successful exploitation results in unauthorized write/delete access to CRM data with integrity impacts.
Affected products
- Oracle Siebel CRM Cloud Applications 22.3 through 26.9
Timeline
- 2026-10-20: disclosed