Quick answers
- Is CVE-2026-91413 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91413 being exploited in the wild.
- How severe is CVE-2026-91413?
- Medium severity, with a CVSS score of 6, published 20 October 2026.
- Which products and versions are affected?
- Oracle Siebel CRM Development 17.0 to 26.9.
- Is there a fix for CVE-2026-91413?
- 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-2026-91413 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-91413?
- Check whether you run Oracle Siebel CRM Development 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
A logic flaw in the Integration Scripting component of Siebel CRM Development allows high-privileged attackers to trigger denial of service and data manipulation attacks via the CORBA network protocol. The vulnerability affects versions 17.0 through 26.9 and requires high privileges and network access; successful exploitation results in complete system crashes, unauthorized read access to data, and unauthorized insert/update/delete operations on accessible records.
Affected products
- Oracle Siebel CRM Development 17.0 to 26.9
Timeline
- 2026-10-20: disclosed