# CVE-2026-83307: Oracle BI Publisher privilege escalation in BI Platform Security

Source: https://junglewise.ai/threats/cve-2026-83307-oracle-bi-publisher-privilege-escalation-in-bi-platform-security  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83307 · Severity: high · CVSS 8.3 · Published 2026-09-15

Oracle BI Publisher is a reporting and analytics tool used to generate and distribute business intelligence reports. A low-privileged attacker with network access can exploit an authentication or authorization flaw to gain unauthorized access to sensitive data, modify or delete critical reports and datasets, and partially disrupt service availability. The vulnerability affects multiple versions and requires no special user interaction to exploit.

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

## Quick answers

**Is CVE-2026-83307 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83307 being exploited in the wild.

**How severe is CVE-2026-83307?** High severity, with a CVSS score of 8.3, 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-2026-83307?** 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-2026-83307 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-83307?** 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

The vulnerability is an authorization bypass in the BI Platform Security component of Oracle BI Publisher. It allows a low-privileged attacker to escalate privileges and perform unauthorized operations including creation, deletion, and modification of critical data, as well as read access to all BI Publisher accessible data and partial denial of service. The attack vector is network-based via HTTP with low complexity and requires only low privileges (no admin role needed) and no user interaction. A fix or patch status has not been explicitly confirmed in the advisory.

## 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

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

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- [Oracle BI Publisher unauthenticated takeover via HTTP](https://junglewise.ai/threats/cve-2026-91579-vulnerability-in-the-oracle-bi-publisher-product-of-oracle)
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