CVE-2026-83332: Oracle E-Business Suite Auth Bypass Flaw

CVE-2026-83332 Overview

CVE-2026-83332 affects the Oracle Applications Framework component of Oracle E-Business Suite. The flaw resides in the Personalization subcomponent and impacts supported versions 12.2.9 through 12.2.15. A low-privileged attacker with network access over HTTP can exploit this vulnerability without user interaction. Successful exploitation grants unauthorized access to all Oracle Applications Framework data. Attackers can also perform unauthorized update, insert, or delete operations on a subset of that data.

Critical Impact
Authenticated remote attackers can read all Oracle Applications Framework accessible data and modify a subset of records, exposing sensitive enterprise business data.

Affected Products

Oracle E-Business Suite 12.2.9
Oracle E-Business Suite 12.2.10 through 12.2.14
Oracle E-Business Suite 12.2.15

Discovery Timeline

2026-09-15 - CVE-2026-83332 published to NVD
2026-09-16 - Last updated in NVD database

Technical Details for CVE-2026-83332

Vulnerability Analysis

The vulnerability exists in the Personalization component of Oracle Applications Framework, the underlying UI and metadata layer for Oracle E-Business Suite applications. An authenticated attacker holding low-level application privileges can send crafted HTTP requests that bypass access controls enforced on personalization metadata and data objects. The scope remains unchanged, meaning the impact is confined to the vulnerable component, but the confidentiality impact is high because all framework-accessible data becomes readable. Integrity impact is limited to partial modification of records.

Root Cause

The root cause is an access control weakness in the Personalization subcomponent of Oracle Applications Framework. The component does not adequately enforce authorization on data operations that low-privileged authenticated users can invoke over HTTP. Oracle has not published the underlying CWE classification for this issue.

Attack Vector

Exploitation requires network access to the Oracle E-Business Suite HTTP endpoints and a valid low-privileged account. The attacker sends crafted requests to Personalization functionality to obtain unauthorized read access across framework data. The same interface enables limited write operations against a subset of records. No user interaction is required.

No public proof-of-concept code is available. Refer to the Oracle Critical Patch Update advisory for vendor-supplied technical details.

Detection Methods for CVE-2026-83332

Indicators of Compromise

Anomalous HTTP requests to Oracle Applications Framework Personalization endpoints, particularly from low-privileged accounts accessing data outside their normal role scope.
Unexpected INSERT, UPDATE, or DELETE operations against Oracle Applications Framework tables originating from application service accounts.
Sudden spikes in personalization-related query volume from a single authenticated session.

Detection Strategies

Enable Oracle E-Business Suite audit logging for the Applications Framework layer and forward events to a centralized SIEM for correlation.
Baseline normal user access patterns against personalization data and alert on deviations, such as bulk data retrieval by non-administrative accounts.
Deploy web application firewall rules that inspect HTTP request patterns targeting Oracle Applications Framework Personalization URIs.

Monitoring Recommendations

Ingest Oracle E-Business Suite application, database, and web tier logs into a centralized analytics platform such as Singularity Data Lake for cross-source correlation.
Monitor authentication events for low-privileged accounts that suddenly issue high-volume queries against framework data.
Track configuration changes to Personalization metadata and alert on unauthorized modifications.

How to Mitigate CVE-2026-83332

Immediate Actions Required

Apply the Oracle Critical Patch Update released in the September 2026 cycle to all Oracle E-Business Suite 12.2.9 through 12.2.15 deployments.
Inventory all Oracle E-Business Suite instances and confirm patch status across production, staging, and disaster recovery environments.
Review and tighten role assignments so that low-privileged application accounts follow least-privilege principles.

Patch Information

Oracle addressed CVE-2026-83332 in the September 2026 Critical Patch Update. Administrators should review the Oracle Critical Patch Update advisory for patch identifiers, prerequisite bundles, and installation guidance specific to their Oracle E-Business Suite release.

Workarounds

Restrict network access to Oracle E-Business Suite HTTP endpoints to trusted corporate networks or VPN clients where operationally feasible.
Disable or restrict Personalization capabilities for accounts that do not require them, until the vendor patch is applied.
Increase authentication log retention and audit reviews for Oracle E-Business Suite accounts while patching is scheduled.

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# Configuration example
# Refer to the Oracle Critical Patch Update advisory for exact patch commands.
# https://www.oracle.com/security-alerts/cspusep2026.html