CVE-2026-83305: Oracle BI Publisher authentication bypass in BI Platform Security

CVE-2026-83305 · Severity: high · CVSS 8.6 · Published 2026-09-15

Oracle BI Publisher is an enterprise analytics and reporting platform used to access and visualize business data. A vulnerability in the BI Platform Security component allows attackers to bypass authentication without credentials and gain unauthorized access to sensitive data, modify or delete information, and degrade system availability.

Technologies: Oracle BI Publisher. Vendors: Oracle.

Quick answers

Is CVE-2026-83305 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83305 being exploited in the wild.
How severe is CVE-2026-83305?
High severity, with a CVSS score of 8.6, published 15 September 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-2026-83305?
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-2026-83305 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-83305?
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

This is an authentication bypass vulnerability in the BI Platform Security component of Oracle BI Publisher. The flaw allows unauthenticated attackers to access the application via HTTP without providing valid credentials. The vulnerability is easily exploitable due to minimal attack complexity and requires no user interaction or special privileges. Successful exploitation enables unauthorized read access to all BI Publisher data, limited modification/deletion of accessible data, and partial denial of service. Patch availability is not documented in the provided advisory; contact Oracle for remediation guidance.

Affected products

  • Oracle BI Publisher 8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0

Timeline

  • 2026-09-15: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.