CVE-2026-61198: Oracle Learning Management Auth Bypass

CVE-2026-61198 Overview

CVE-2026-61198 is a network-exploitable vulnerability in the Oracle Learning Management product within Oracle E-Business Suite. The flaw resides in the Internal Operations component and affects supported versions 12.2.3 through 12.2.15. An unauthenticated attacker with HTTP network access can exploit this issue without user interaction. Successful exploitation allows unauthorized update, insert, or delete operations against a subset of Oracle Learning Management data. Attackers can also read a subset of accessible data, resulting in both integrity and confidentiality impact.

Critical Impact
Unauthenticated remote attackers can modify and read a subset of Oracle Learning Management data over HTTP, threatening the integrity of learning records and internal operations data.

Affected Products

Oracle E-Business Suite — Oracle Learning Management 12.2.3
Oracle E-Business Suite — Oracle Learning Management versions 12.2.4 through 12.2.14
Oracle E-Business Suite — Oracle Learning Management 12.2.15

Discovery Timeline

2026-08-18 - CVE-2026-61198 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-61198

Vulnerability Analysis

The vulnerability affects the Internal Operations component of Oracle Learning Management, a module within Oracle E-Business Suite used to manage enterprise training and learner data. The flaw is remotely exploitable over HTTP and requires no authentication or user interaction. An attacker sending crafted requests to an exposed Oracle Learning Management endpoint can gain unauthorized read access and write access against a subset of application data. Because Oracle E-Business Suite deployments often expose HTTP interfaces to internal networks and, in some cases, to partner or extranet segments, the exposure surface can be broad. The Oracle advisory groups this issue with other August 2026 Critical Patch Update fixes for E-Business Suite.

Root Cause

Oracle has not published detailed root cause information beyond the advisory summary. The issue is described as an unauthenticated flaw in the Internal Operations component that permits both read and write operations against learning management data. This pattern is typically associated with missing or improper authorization checks on server-side endpoints handling HTTP requests.

Attack Vector

Exploitation occurs over the network via HTTP against an exposed Oracle Learning Management instance. The attacker does not need credentials and does not need to persuade a user to take any action. A single crafted HTTP request is sufficient to trigger the unauthorized data operations. See the Oracle Security Alert for vendor guidance.

// No verified proof-of-concept code is publicly available for CVE-2026-61198.
// Refer to the Oracle Security Alert for authoritative technical details.

Detection Methods for CVE-2026-61198

Indicators of Compromise

Unexpected HTTP requests to Oracle Learning Management Internal Operations endpoints from unauthenticated sources or unusual client IP ranges.
Unexplained inserts, updates, or deletes in Oracle Learning Management tables outside of scheduled batch jobs or authorized user sessions.
Access log entries showing anonymous or unauthenticated sessions successfully invoking learning management operations.

Detection Strategies

Baseline normal HTTP request patterns to Oracle E-Business Suite and alert on anomalous URIs or parameter values targeting Learning Management modules.
Enable and review Oracle E-Business Suite audit trails for the Learning Management schema, focusing on data-modifying operations without an associated authenticated user.
Correlate web tier access logs with database audit events to identify write operations that lack a corresponding authenticated application session.

Monitoring Recommendations

Forward Oracle E-Business Suite web tier, application, and database audit logs into a centralized analytics platform for correlation and long-term retention.
Monitor for spikes in HTTP 200 responses to Learning Management endpoints from external or non-standard sources.
Track configuration drift on Oracle E-Business Suite hosts and alert on unauthorized changes to servlet or module deployment files.

How to Mitigate CVE-2026-61198

Immediate Actions Required

Inventory all Oracle E-Business Suite deployments and confirm whether Oracle Learning Management versions 12.2.3 through 12.2.15 are in use.
Apply the Oracle Critical Patch Update fixes referenced in the August 2026 Oracle Security Alert as soon as change windows allow.
Restrict network access to Oracle E-Business Suite HTTP endpoints so that only trusted networks and authenticated reverse proxies can reach them.

Patch Information

Oracle addresses this vulnerability in the August 2026 Critical Patch Update. Administrators should review and apply the fixes published in the Oracle Security Alert for Oracle E-Business Suite. Follow Oracle's documented patch procedures, including staged application in non-production environments before rollout to production.

Workarounds

Place Oracle Learning Management HTTP endpoints behind a web application firewall configured to block unauthenticated requests to Internal Operations paths.
Use network access controls to allow only known corporate and administrative IP ranges to reach Oracle E-Business Suite interfaces.
Increase auditing on Learning Management schemas so that any unauthorized activity generates immediate alerts pending patch deployment.

bash

# Example: restrict access to Oracle E-Business Suite HTTP tier at the network layer
# Replace 10.0.0.0/8 with your trusted management CIDR ranges
iptables -A INPUT -p tcp --dport 8000 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP