Quick answers
- Is CVE-2026-101438 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-101438 being exploited in the wild.
- How severe is CVE-2026-101438?
- High severity, with a CVSS score of 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-2026-101438?
- 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-2026-101438 attacked?
- It is attacked from the adjacent network, in a hosted service.
- Am I affected by CVE-2026-101438?
- 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
This is a difficult-to-exploit physical-access vulnerability (adjacent network) affecting the Siebel Cloud Manager component in versions 22.3 through 26.9. An unauthenticated attacker with access to the physical communication segment can achieve high confidentiality and integrity impact across the entire Siebel CRM Cloud Applications platform due to scope change. No authentication or user interaction is required once physical network access is obtained.
Affected products
- Oracle Siebel CRM Cloud Applications 22.3-26.9
Timeline
- 2026-10-20: disclosed