Quick answers
- Is CVE-2026-91371 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91371 being exploited in the wild.
- How severe is CVE-2026-91371?
- Medium severity, with a CVSS score of 5.8, 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-2026-91371?
- 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-2026-91371 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91371?
- 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 information disclosure vulnerability in Oracle Siebel CRM Cloud Manager allows unauthenticated attackers to gain unauthorized read access to a subset of application data via HTTP network requests. The vulnerability has scope change implications, meaning compromise may significantly impact additional Oracle products beyond Siebel CRM itself. No authentication, user interaction, or complex attack conditions are required.
Affected products
- Oracle Siebel CRM Cloud Applications 22.3-26.9
Timeline
- 2026-10-20: disclosed