CVE-2026-62605: Oracle Partner Management Auth Bypass Flaw

CVE-2026-62605 Overview

CVE-2026-62605 is a high-severity vulnerability in the Oracle Partner Management product of Oracle E-Business Suite, specifically within the Internal Operations component. The flaw affects supported versions 12.2.3 through 12.2.15. An unauthenticated attacker with network access via HTTP can exploit the vulnerability, provided a victim user interacts with attacker-supplied content. Successful exploitation results in unauthorized access to critical data and partial write access to Oracle Partner Management data. The vulnerability causes a scope change, meaning exploitation can impact resources beyond Oracle Partner Management itself.

Critical Impact
Unauthenticated network-based exploitation with user interaction can yield complete read access to Oracle Partner Management data and unauthorized modification of some records, with impact extending beyond the vulnerable component.

Affected Products

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

Discovery Timeline

2026-08-18 - CVE-2026-62605 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-62605

Vulnerability Analysis

The vulnerability resides in the Internal Operations component of Oracle Partner Management, part of the broader Oracle E-Business Suite. The CVSS vector indicates network reachability over HTTP, no privileges required, and a required user interaction step. The scope change component signals that a successful attack crosses a security boundary, allowing impact against resources managed by a different security authority than the vulnerable component itself.

Exploitation yields high confidentiality impact combined with limited integrity impact. Attackers can read all data accessible to Oracle Partner Management and modify a subset of that data. Availability is not affected by this vulnerability.

Root Cause

Oracle has not published a detailed technical root cause. The combination of required user interaction and scope change is consistent with client-side attack classes such as cross-site scripting or cross-site request forgery within the Oracle Partner Management web interface. Refer to the Oracle Security Alert for authoritative details.

Attack Vector

An unauthenticated attacker crafts a malicious HTTP request or web content and delivers it to an authenticated Oracle Partner Management user. When the target user interacts with the attacker-controlled content, the application executes actions in the user's session context. Because the vulnerability produces a scope change, downstream Oracle E-Business Suite components accessible to the victim may also be affected. The Exploit Prediction Scoring System currently rates this issue with a low probability of near-term exploitation, but the ease of exploitation and the value of Oracle E-Business Suite deployments warrant prompt remediation.

Detection Methods for CVE-2026-62605

Indicators of Compromise

Unexpected outbound HTTP requests originating from Oracle Partner Management user sessions to unfamiliar external hosts.
Anomalous POST or GET parameters targeting Oracle Partner Management endpoints under the Internal Operations component.
Session activity that includes data reads across records outside the user's typical scope of work.
Unusual modifications to Oracle Partner Management records without corresponding authorized change tickets.

Detection Strategies

Inspect web server and application logs for HTTP requests containing script payloads, unusual encodings, or unexpected referrers pointing at Oracle Partner Management URLs.
Correlate authenticated user activity in Oracle E-Business Suite with browser telemetry to spot session actions inconsistent with the user's usual workflow.
Monitor Oracle E-Business Suite audit tables for record modifications performed during sessions that originated from suspicious external referrers.

Monitoring Recommendations

Enable and centralize Oracle E-Business Suite audit logs for the Partner Management module and forward them to a SIEM for correlation.
Deploy web application firewall rules that inspect requests to Oracle Partner Management endpoints for injection payloads and cross-site request patterns.
Baseline normal user behavior for Oracle Partner Management and alert on deviations, particularly bulk data access following external link interaction.

How to Mitigate CVE-2026-62605

Immediate Actions Required

Apply the patch referenced in the Oracle Critical Patch Update Advisory - August 2026 to all Oracle E-Business Suite instances running Oracle Partner Management versions 12.2.3 through 12.2.15.
Restrict network access to Oracle Partner Management interfaces so they are not reachable from untrusted networks.
Instruct users of Oracle Partner Management to avoid clicking links from untrusted sources while authenticated to the application.

Patch Information

Oracle addressed this vulnerability as part of its August 2026 Critical Patch Update. Administrators should download and apply the corresponding patch for their Oracle E-Business Suite 12.2.x release from the vendor advisory. Verify the patch level after installation using Oracle's supplied inventory tools.

Workarounds

Place Oracle Partner Management behind a reverse proxy or web application firewall configured to block cross-site scripting and cross-site request forgery patterns until patching is complete.
Enforce strict Content Security Policy and SameSite cookie settings on Oracle E-Business Suite front ends where supported by the deployment.
Reduce user privileges within Oracle Partner Management to the minimum required, limiting the blast radius if a session is abused.

bash

# Example: restrict Oracle Partner Management access to trusted subnets at the reverse proxy
location /OA_HTML/ {
    allow 10.0.0.0/8;
    deny  all;
    proxy_pass http://ebs-backend;
}