CVE-2026-83308 Oracle Corporation CVE debrief

Who should care

Administrators and security teams responsible for Oracle BI Publisher systems should assess exposure and apply patches or mitigations as needed. This includes reviewing system versions, verifying exposure, and applying patches or mitigations to prevent exploitation.

Why it matters

CVE-2026-83308 is a high-severity vulnerability in Oracle BI Publisher that allows low-privileged attackers to compromise the system, potentially leading to data modification and service disruption. Administrators and security teams should assess exposure and apply patches or mitigations as needed.

• Potential data tampering and loss of data integrity
• Possible service disruption or denial of service
• Need for verification of affected system versions and exposure
• Requirement for patching or mitigating vulnerable systems

Technical summary

The vulnerability is in the BI Platform Security component of Oracle BI Publisher. It allows low-privileged attackers with network access via SOAP to compromise Oracle BI Publisher, leading to unauthorized creation, deletion, or modification of critical data and unauthorized ability to cause a hang or frequently repeatable crash of Oracle BI Publisher. The vulnerability affects Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0. CVSS 3.1 Base Score 8.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H).

Defensive priority

High priority for patching and verifying affected systems

Recommended defensive actions

• Apply patches for Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0
• Verify and restrict network access to Oracle BI Publisher
• Monitor for suspicious activity via SOAP
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability is described in the CVE record and NVD detail page. Oracle has provided a security alert for this issue. The CVE record was published on 2026-09-15T20:18:43.747Z and has not been modified since then. The NVD detail page provides additional information on the vulnerability. The vulnerability affects Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0.

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.