# CVE-2026-91588: Oracle Business Intelligence Enterprise Edition BI Search XSS in HTTP

Source: https://junglewise.ai/threats/cve-2026-91588-vulnerability-in-the-oracle-business-intelligence-enterprise  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91588 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Oracle Business Intelligence Enterprise Edition is an analytics platform that organizations use to analyze and visualize business data. A cross-site scripting (XSS) vulnerability in the BI Search component allows an unauthenticated attacker to trick users into visiting a malicious link, leading to unauthorized modification or deletion of critical data. The attack requires user interaction but no authentication, making it a practical threat in environments where the analytics platform is accessible over the network.

Technologies: [Oracle Business Intelligence Enterprise Edition](https://junglewise.ai/threats/technologies/business-intelligence-enterprise-edition). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91588 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91588 being exploited in the wild.

**How severe is CVE-2026-91588?** Medium severity, with a CVSS score of 6.5, published 20 October 2026.

**Which products and versions are affected?** Oracle Business Intelligence Enterprise Edition 8.2.0.0.0 and 12.2.1.4.0.

**Is there a fix for CVE-2026-91588?** 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-2026-91588 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-91588?** 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 is an XSS flaw in the BI Search component of Oracle Business Intelligence Enterprise Edition, exploitable via HTTP by an unauthenticated attacker. It requires user interaction (UI:R) and has network-based attack vector with low complexity. Successful exploitation leads to integrity compromise—unauthorized creation, deletion, or modification of data accessible through the BI product.

## Affected products

- Oracle Business Intelligence Enterprise Edition 8.2.0.0.0 and 12.2.1.4.0

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle Business Intelligence Enterprise Edition unauthorized data read](https://junglewise.ai/threats/cve-2026-91607-vulnerability-in-the-oracle-business-intelligence-enterprise)
- [Oracle Business Intelligence Enterprise Edition unauthorized read access in Visual Analyzer](https://junglewise.ai/threats/cve-2026-91600-vulnerability-in-the-oracle-business-intelligence-enterprise)
- [Oracle Business Intelligence Enterprise Edition information disclosure in Majel Mobile Service](https://junglewise.ai/threats/cve-2026-91598-vulnerability-in-the-oracle-business-intelligence-enterprise)
- [Oracle Business Intelligence Enterprise Edition physical attack in Platform Security](https://junglewise.ai/threats/cve-2026-91597-vulnerability-in-the-oracle-business-intelligence-enterprise)
- [Oracle Business Intelligence Enterprise Edition data access vulnerability in BI Platform Security](https://junglewise.ai/threats/cve-2026-91577-vulnerability-in-the-oracle-business-intelligence-enterprise)