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CVE-2026-83304 – Unauthenticated Data Compromise (Scope Change) – Oracle Business Intelligence Enter

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Summary

CVE-2026-83304 is a high-severity vulnerability in the Analytics Web General component of Oracle Business Intelligence Enterprise Edition that allows an unauthenticated, network-based attacker to compromise the product via HTTP. Successful exploitation can result in unauthorized creation, deletion, and modification of data, full disclosure of data accessible to the application, and a partial denial of service. Oracle notes that the vulnerability involves a scope change, meaning successful attacks can also significantly impact additional Oracle products beyond Business Intelligence Enterprise Edition itself.

Technical details

  • Root cause: a flaw in the Analytics Web General component of Oracle Business Intelligence Enterprise Edition that is reachable over HTTP without authentication.
  • Trigger conditions: Oracle describes the issue as difficult to exploit, requiring high attack complexity, but no privileges or user interaction are needed to attempt exploitation.
  • Attack vector: network access via HTTP to the exposed Business Intelligence Enterprise Edition instance.
  • Impact: unauthorized data manipulation (creation, deletion, modification), complete unauthorized access to data accessible by the application, and partial denial of service. Because the vulnerability involves a scope change, impact is not confined to the vulnerable component and may extend to other products/components on the same host.

Affected software

  • Oracle Business Intelligence Enterprise Edition 8.2.0.0.0
  • Oracle Business Intelligence Enterprise Edition 12.2.1.4.0
  • Oracle Business Intelligence Enterprise Edition 26.01.0.0.0

Severity

  • CVSS v3.1 Base Score: 8.9 (High)
  • CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Mitigation and recommended actions

  • Immediate: Apply the fixes provided by Oracle in the September 2026 Critical Patch Update for all affected Oracle Business Intelligence Enterprise Edition deployments (versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0).
  • If patching cannot be performed immediately: restrict network access to Business Intelligence Enterprise Edition instances (e.g., limit exposure to trusted networks/VPN, place behind a web application firewall, and disable unnecessary external access to the Analytics Web interface) until the patch can be applied.
  • Follow Oracle’s standard guidance to apply Critical Patch Update fixes as soon as possible, since Oracle states exploitation attempts often occur soon after a Critical Patch Update discloses a vulnerability.

References

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