# CVE-2026-91526: Oracle BI Publisher CSRF or request forgery via web server

Source: https://junglewise.ai/threats/cve-2026-91526-vulnerability-in-the-oracle-bi-publisher-product-of-oracle  
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-2026-91526 · Severity: medium · CVSS 4.7 · Published 2026-10-20

Oracle BI Publisher is a reporting and analytics tool used to generate and manage business reports. This vulnerability allows an unauthenticated attacker to trick a user into performing unauthorized actions such as reading, modifying, or deleting reports and data. The attack requires user interaction but can impact confidentiality and integrity of sensitive business information.

Technologies: [Oracle BI Publisher](https://junglewise.ai/threats/technologies/bi-publisher). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## 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

## References

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

## Related threats

- [Oracle BI Publisher unauthenticated data access via web server](https://junglewise.ai/threats/cve-2026-91608-vulnerability-in-the-oracle-bi-publisher-product-of-oracle)
- [Oracle BI Publisher authorization bypass in Web Service API](https://junglewise.ai/threats/cve-2026-91590-vulnerability-in-the-oracle-bi-publisher-product-of-oracle)
- [Oracle BI Publisher unauthenticated takeover via HTTP](https://junglewise.ai/threats/cve-2026-91579-vulnerability-in-the-oracle-bi-publisher-product-of-oracle)
- [Oracle BI Publisher unauthorized data access vulnerability](https://junglewise.ai/threats/cve-2026-91574-vulnerability-in-the-oracle-bi-publisher-product-of-oracle)
- [Oracle BI Publisher CSRF or open redirect in web server](https://junglewise.ai/threats/cve-2026-91555-vulnerability-in-the-oracle-bi-publisher-product-of-oracle)