CVE-2026-91554: Oracle BI Publisher unauthenticated data access in Web Server

CVE-2026-91554 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Oracle BI Publisher is a web-based analytics and reporting tool used to create and distribute business reports. An unauthenticated attacker can exploit a vulnerability in the web server component to read sensitive report data and modify or delete records without permission, bypassing normal access controls.

Technologies: Oracle BI Publisher. Vendors: Oracle.

Quick answers

Is CVE-2026-91554 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91554 being exploited in the wild.
How severe is CVE-2026-91554?
Medium severity, with a CVSS score of 6.5, published 20 October 2026.
Which products and versions are affected?
Oracle BI Publisher 12.2.1.4.0.
Is there a fix for CVE-2026-91554?
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-2026-91554 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-91554?
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

An easily exploitable, unauthenticated vulnerability in Oracle BI Publisher's Web Server component allows network-based attackers via HTTP to gain unauthorized read, update, insert, and delete access to BI Publisher data. No authentication or user interaction is required; the vulnerability can be triggered directly over the network. This results in confidentiality and integrity impacts on accessible data.

Affected products

  • Oracle BI Publisher 12.2.1.4.0

Timeline

  • 2026-10-20: disclosed

References

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