Quick answers
- Is CVE-2026-91539 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91539 being exploited in the wild.
- How severe is CVE-2026-91539?
- High severity, with a CVSS score of 7.8, 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-2026-91539?
- 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-2026-91539 attacked?
- It is attacked with local access, in a web application.
- Am I affected by CVE-2026-91539?
- 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
The vulnerability in Oracle Business Intelligence Enterprise Edition (Presentation Services) is easily exploitable by a low-privileged attacker with local logon to the infrastructure. The vulnerability allows privilege escalation with no additional interaction required, resulting in full compromise of the application affecting confidentiality, integrity, and availability. A fix is not mentioned in the advisory for the affected version 12.2.1.4.0.
Affected products
- Oracle Business Intelligence Enterprise Edition 12.2.1.4.0
Timeline
- 2026-10-20: disclosed