Quick answers
- Is CVE-2026-91557 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91557 being exploited in the wild.
- How severe is CVE-2026-91557?
- High severity, with a CVSS score of 7, published 20 October 2026.
- Which products and versions are affected?
- Oracle Business Intelligence Enterprise Edition 12.2.1.4.0.
- Is there a fix for CVE-2026-91557?
- 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-2026-91557 attacked?
- It is attacked with local access, in a web application.
- Am I affected by CVE-2026-91557?
- Check whether you run Oracle Business Intelligence Enterprise Edition 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 difficult-to-exploit local privilege escalation vulnerability in Oracle Business Intelligence Enterprise Edition's BI Foundation component requires low privileges and local logon access but no user interaction. Successful exploitation results in complete system compromise with impacts on confidentiality, integrity, and availability of the product.
Affected products
- Oracle Business Intelligence Enterprise Edition 12.2.1.4.0
Timeline
- 2026-10-20: disclosed