CVE-2026-83302 Oracle Corporation CVE debrief

Who should care

Defenders responsible for Oracle BI Publisher deployments, security teams assessing network access controls, and administrators of systems integrating with Oracle BI Publisher should assess exposure and prioritize remediation.

Why it matters

CVE-2026-83302 is a high-severity vulnerability in Oracle BI Publisher that allows low-privileged attackers to compromise the product, access critical data, or cause partial denial of service. Defenders should prioritize verifying exposure, restricting network access, and applying security patches.

• Potential unauthorized access to critical data
• Possible partial denial of service (DOS) of Oracle BI Publisher
• Need to verify exposure of Oracle BI Publisher 12.2.1.4.0
• Potential impact on additional products due to scope change

Technical summary

The vulnerability in Oracle BI Publisher, component: BI Publisher Security, allows low-privileged attackers with network access via HTTP to compromise the product. Successful attacks can result in unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle BI Publisher. The CVSS 3.1 Base Score is 8.5 (Confidentiality and Availability impacts).

Defensive priority

Defenders should prioritize verifying exposure of Oracle BI Publisher 12.2.1.4.0 and assessing network access controls.

Recommended defensive actions

• Verify exposure of Oracle BI Publisher 12.2.1.4.0 in your environment
• Assess and restrict network access to Oracle BI Publisher
• Review and apply Oracle's security patches for Oracle BI Publisher
• Monitor for potential unauthorized access to critical data
• Inventory assets that may be impacted by this vulnerability
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions and retest remediated assets

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in Oracle BI Publisher, its impacts, and affected versions. The vulnerability is in the BI Publisher Security component of Oracle BI Publisher 12.2.1.4.0. The CVSS 3.1 Base Score is 8.5, with Confidentiality and Availability impacts. The CVE was published on 2026-09-15T20:18:43.090Z. Defenders should verify exposure, assess network access controls, and apply security patches. The information provided by the CVE Program and NVD suggests that attacks may significantly

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.