Quick answers
- Is CVE-2026-91526 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91526 being exploited in the wild.
- How severe is CVE-2026-91526?
- Medium severity, with a CVSS score of 4.7, published 20 October 2026.
- Which products and versions are affected?
- Oracle BI Publisher 8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0.
- Is there a fix for CVE-2026-91526?
- 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-2026-91526 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-91526?
- Check whether you run Oracle BI Publisher 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 vulnerability in Oracle BI Publisher's web server component allows unauthenticated attackers with network access to compromise the product via HTTP. The attack requires human interaction from a victim and involves scope change, where attacks on BI Publisher can significantly impact additional Oracle Analytics products. Successful exploitation results in unauthorized data modification and limited unauthorized data access.
Affected products
- Oracle BI Publisher 8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0
Timeline
- 2026-10-20: disclosed