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CVE-2026-83286 – Unauthenticated Takeover – Oracle Business Intelligence Enterprise Edition 8.2.0.0.

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Summary

CVE-2026-83286 is a high-severity vulnerability in the Platform Security component of Oracle Business Intelligence Enterprise Edition (part of Oracle Analytics). It allows an unauthenticated, remote attacker with network access via HTTP to compromise the product, with successful exploitation resulting in a full takeover of the affected system. Oracle rates the flaw 8.1 (High) on CVSS 3.1, with high impact to confidentiality, integrity, and availability.

Technical details

  • Root cause: a flaw in the Platform Security component of Oracle Business Intelligence Enterprise Edition (Oracle Analytics product family).
  • Trigger conditions: Oracle describes the vulnerability as "difficult to exploit," indicating attack complexity is high (specific preconditions or timing/environment factors must align for a successful attack).
  • Attack vector: network access via HTTP; no authentication and no user interaction are required.
  • Impact: successful exploitation can result in complete takeover of Oracle Business Intelligence Enterprise Edition, with high impact to confidentiality, integrity, and availability.

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: 8.1 (High)
  • CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the fix provided by Oracle in the September 2026 Critical Patch Update for all affected versions (8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0) of Oracle Business Intelligence Enterprise Edition.
  • If patching cannot be applied immediately: restrict network access to Oracle Business Intelligence Enterprise Edition instances (e.g., via firewalling or VPN) to trusted networks only, since the vulnerability is remotely exploitable over HTTP without authentication.
  • Monitor internet-facing Oracle BI EE deployments for exposure and prioritize patch deployment given the unauthenticated, network-based attack path and full takeover impact.

References

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