CVE-2026-61328 Overview
CVE-2026-61328 is a vulnerability in the Oracle Cost Management product of Oracle E-Business Suite, specifically within the Cost Planning component. Supported versions 12.2.3 through 12.2.15 are affected. The flaw allows a high-privileged attacker with network access via HTTP to compromise Oracle Cost Management. Successful exploitation can result in a complete takeover of the Oracle Cost Management application, impacting confidentiality, integrity, and availability. The weakness is classified under [CWE-284] Improper Access Control.
Critical Impact
Successful exploitation results in full takeover of Oracle Cost Management, exposing sensitive financial and cost planning data across the E-Business Suite.
Affected Products
- Oracle E-Business Suite — Oracle Cost Management 12.2.3
- Oracle E-Business Suite — Oracle Cost Management versions 12.2.4 through 12.2.14
- Oracle E-Business Suite — Oracle Cost Management 12.2.15
Discovery Timeline
- 2026-07-21 - CVE-2026-61328 published to NVD
- 2026-07-22 - Last updated in NVD database
Technical Details for CVE-2026-61328
Vulnerability Analysis
The vulnerability resides in the Cost Planning component of Oracle Cost Management, part of Oracle E-Business Suite. Exploitation requires a high-privileged authenticated account with network access over HTTP. Attack complexity is high, indicating that specific conditions or configuration states must exist before the flaw can be reliably triggered. Once exploited, the attacker gains full control of the Oracle Cost Management application, with impacts spanning confidentiality, integrity, and availability. Because Cost Management integrates with financial and inventory subsystems in E-Business Suite, application takeover can expose costing rules, standard costs, valuation data, and financial adjustments.
Root Cause
The vulnerability is categorized as Improper Access Control [CWE-284]. Access control checks within the Cost Planning component do not adequately restrict privileged operations, allowing an authenticated user with elevated privileges to perform actions that escalate control over the application. See the Oracle Security Alert July 2026 for vendor-authoritative technical context.
Attack Vector
The attack vector is network-based over HTTP. An attacker must already possess high privileges within the Oracle E-Business Suite environment and must overcome high-complexity conditions to succeed. No user interaction is required. The vulnerability manifests through interaction with Cost Planning functionality that fails to enforce proper authorization boundaries, enabling an authenticated actor to take over the Cost Management module. No public proof-of-concept or exploit code has been observed at the time of publication.
Detection Methods for CVE-2026-61328
Indicators of Compromise
- Unexpected changes to cost types, cost rollups, or standard cost updates within Oracle Cost Management logs.
- HTTP requests to Cost Planning endpoints originating from accounts that do not typically perform administrative costing operations.
- Unusual session activity from high-privilege E-Business Suite accounts outside normal business hours.
Detection Strategies
- Correlate application audit trails (FND_LOG_MESSAGES, sign-on audit tables) with web tier access logs to identify anomalous Cost Planning activity.
- Monitor role and responsibility assignments for Cost Management for privilege changes preceding suspicious activity.
- Baseline normal HTTP request patterns to Cost Planning URIs and alert on deviations in frequency or payload structure.
Monitoring Recommendations
- Enable Oracle E-Business Suite Sign-On Audit and page access tracking to capture user navigation into Cost Planning functions.
- Forward Oracle HTTP Server and WebLogic access logs to a centralized SIEM for correlation with database audit events.
- Alert on failed authorization checks and elevated-privilege actions performed by service or shared accounts.
How to Mitigate CVE-2026-61328
Immediate Actions Required
- Apply the fixes provided in the Oracle Critical Patch Update — Security Alert July 2026 to all affected 12.2.3–12.2.15 environments.
- Review and reduce the population of accounts holding high-privileged Cost Management responsibilities.
- Rotate credentials for privileged E-Business Suite accounts and enforce multi-factor authentication at the access tier.
Patch Information
Oracle addressed CVE-2026-61328 in the July 2026 Critical Patch Update. Administrators should download and apply the Cost Management patch bundle for Oracle E-Business Suite 12.2.x as listed in the advisory. Validate the patch in a non-production environment before promoting to production, and confirm module version levels via AD_PATCH views after installation.
Workarounds
- Restrict network access to the E-Business Suite web tier so that Cost Planning endpoints are reachable only from trusted management networks.
- Temporarily remove Cost Planning responsibilities from accounts that do not require them until the patch is applied.
- Enable strict auditing on Cost Management tables and responsibilities to increase the cost of undetected exploitation.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
