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Vulnerability Database/CVE-2026-83299

CVE-2026-83299: Oracle OBIEE Authentication Bypass Vulnerability

CVE-2026-83299 is an authentication bypass vulnerability in Oracle Business Intelligence Enterprise Edition 12.2.1.4.0 that enables complete system takeover. This article covers the technical details, attack vectors, and remediation strategies.

Published:

CVE-2026-83299 Overview

CVE-2026-83299 affects Oracle Business Intelligence Enterprise Edition (OBIEE) version 12.2.1.4.0 in the Analytics Web General component. The flaw allows an unauthenticated attacker with network access over HTTP to compromise the affected product. Successful exploitation can result in full takeover of the OBIEE instance, impacting confidentiality, integrity, and availability. The weakness is categorized under [CWE-269] Improper Privilege Management. Oracle disclosed the issue in the Oracle Security Alert CSPUSEP2026.

Critical Impact

Successful exploitation allows an unauthenticated remote attacker to take over Oracle Business Intelligence Enterprise Edition, exposing sensitive analytics data and dashboards to unauthorized modification or destruction.

Affected Products

  • Oracle Analytics — Oracle Business Intelligence Enterprise Edition 12.2.1.4.0
  • Component: Analytics Web General
  • Deployments exposing OBIEE HTTP endpoints to untrusted networks

Discovery Timeline

  • 2026-09-15 - CVE-2026-83299 published to NVD
  • 2026-09-17 - Last updated in NVD database

Technical Details for CVE-2026-83299

Vulnerability Analysis

The vulnerability resides in the Analytics Web General component of Oracle Business Intelligence Enterprise Edition. An unauthenticated attacker can send crafted HTTP requests to the analytics web interface and, upon successful exploitation, gain full control of the OBIEE instance. Oracle classifies the attack complexity as high, indicating the exploit path depends on specific conditions outside the attacker's direct control. The scope remains unchanged, but the attacker gains high impact across confidentiality, integrity, and availability once the conditions are met. Refer to the Oracle Security Alert CSPUSEP2026 for vendor-supplied technical context.

Root Cause

The issue maps to [CWE-269] Improper Privilege Management. The affected component does not correctly enforce privilege boundaries for operations reachable through the analytics web layer. An external actor can leverage this weakness to perform actions normally reserved for privileged accounts. Oracle has not published detailed root cause information beyond the security alert.

Attack Vector

Exploitation occurs remotely over HTTP without authentication or user interaction. The attacker requires network reachability to the OBIEE web interface. Because attack complexity is high, the adversary must satisfy environmental prerequisites, such as timing, configuration state, or component interactions, before the exploit succeeds. Once achieved, the attacker gains complete takeover of the OBIEE service.

No public proof-of-concept code, exploit module, or verified technical write-up is available at the time of publication. See the Oracle Security Alert CSPUSEP2026 for authoritative remediation guidance.

Detection Methods for CVE-2026-83299

Indicators of Compromise

  • Unexpected administrative or privileged operations executed against OBIEE without corresponding authenticated sessions in audit logs.
  • Anomalous HTTP requests to Analytics Web endpoints originating from external or unusual internal source addresses.
  • New or modified BI catalog objects, data source connections, or user privileges without an associated change ticket.

Detection Strategies

  • Compare OBIEE application logs against authentication events to identify privileged actions that lack a valid session context.
  • Baseline normal HTTP request patterns against /analytics/ and related paths, then alert on deviations.
  • Correlate WebLogic access logs with downstream BI server activity to surface privilege escalation attempts.

Monitoring Recommendations

  • Forward OBIEE, WebLogic, and reverse-proxy logs to a centralized analytics platform for continuous correlation.
  • Enable Oracle Fusion Middleware audit policies at a level that captures privilege changes and catalog modifications.
  • Monitor outbound network traffic from OBIEE hosts for unexpected connections that may indicate post-exploitation activity.

How to Mitigate CVE-2026-83299

Immediate Actions Required

  • Apply the patch referenced in the Oracle Security Alert CSPUSEP2026 to all OBIEE 12.2.1.4.0 deployments.
  • Restrict network access to OBIEE HTTP endpoints so that only authorized users and networks can reach the analytics web tier.
  • Review OBIEE audit and access logs for signs of prior exploitation, including unauthorized privilege changes.

Patch Information

Oracle has released a fix as part of the Oracle Security Alert CSPUSEP2026. Administrators should download and apply the corresponding patch for Oracle Business Intelligence Enterprise Edition 12.2.1.4.0 as documented in the vendor advisory. Verify successful patch application through Oracle Opatch inventory checks before returning the system to normal operation.

Workarounds

  • Place OBIEE behind an authenticating reverse proxy or VPN to remove unauthenticated exposure until patching is complete.
  • Apply strict web application firewall rules that filter unexpected request patterns to the Analytics Web General component.
  • Disable or restrict externally accessible OBIEE features that are not required for business operations.
bash
# Configuration example: restrict OBIEE access at the network edge
# Example iptables rule limiting OBIEE HTTP access to an internal management subnet
iptables -A INPUT -p tcp --dport 9502 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 9502 -j DROP

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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