CVE-2026-62495: Oracle E-Business Suite Privilege Escalation

CVE-2026-62495 Overview

CVE-2026-62495 is an access control vulnerability [CWE-284] affecting the Oracle Process Manufacturing Process Execution product within Oracle E-Business Suite. The flaw resides in the Internal Operations component and impacts supported version 12.2.15. A low-privileged attacker with network access via HTTP can exploit this weakness to compromise the affected application. Successful exploitation results in full takeover of the Oracle Process Manufacturing Process Execution product, affecting confidentiality, integrity, and availability. Oracle disclosed the issue in the July 2026 Critical Patch Update.

Critical Impact
Successful exploitation grants an authenticated attacker complete takeover of Oracle Process Manufacturing Process Execution, exposing manufacturing operations data and process control workflows.

Affected Products

Oracle E-Business Suite
Oracle Process Manufacturing Process Execution
Version 12.2.15 (Internal Operations component)

Discovery Timeline

2026-07-21 - CVE-2026-62495 published to the National Vulnerability Database (NVD)
2026-07-22 - Last updated in NVD database

Technical Details for CVE-2026-62495

Vulnerability Analysis

The vulnerability affects the Internal Operations component of Oracle Process Manufacturing Process Execution. It is classified under [CWE-284] (Improper Access Control), indicating the product fails to correctly enforce restrictions on protected resources or actions. An authenticated attacker with low privileges can send crafted HTTP requests to reach functionality that should require higher authorization. Oracle's advisory notes that the flaw is difficult to exploit, which is reflected in the CVSS attack complexity rating. Despite the complexity, successful exploitation results in high impact across confidentiality, integrity, and availability. This makes the vulnerability suitable for insider threats or attackers who have already obtained a foothold with valid credentials.

Root Cause

The root cause is improper enforcement of access control policies within the Internal Operations component. The application does not adequately validate whether the authenticated principal has the necessary privileges to perform sensitive operations. This allows a low-privileged user session to invoke functionality reserved for higher-privileged roles, leading to complete product takeover.

Attack Vector

Exploitation requires network access to the HTTP interface of the affected Oracle E-Business Suite deployment. The attacker must hold valid low-privileged credentials. No user interaction is required. Because the vulnerability changes only the target component's scope, impact is limited to Process Manufacturing Process Execution, but that scope includes full takeover of the application and its data. Verified public exploit code is not currently available, and the EPSS estimates a low near-term exploitation probability.

No verified public proof-of-concept code is available. Refer to the Oracle Critical Patch Update - July 2026 for authoritative technical details.

Detection Methods for CVE-2026-62495

Indicators of Compromise

Unexpected HTTP requests to Oracle Process Manufacturing Process Execution Internal Operations endpoints originating from low-privileged user sessions.
Application audit log entries showing privileged actions performed by accounts without corresponding role assignments.
New or modified process execution records, batch tickets, or production data changes lacking a legitimate change ticket.

Detection Strategies

Enable and review Oracle E-Business Suite Sign-On Audit and Page Access Tracking to correlate low-privileged sessions with sensitive Process Manufacturing URLs.
Baseline normal HTTP traffic patterns to the Oracle Applications tier and alert on anomalous request volumes or off-hours access.
Correlate database audit trails on GMD_* and GME_* schema objects with the HTTP session that triggered the change.

Monitoring Recommendations

Forward Oracle E-Business Suite application, Apache access, and database audit logs to a centralized analytics platform for correlation.
Monitor privileged responsibility assignments and role changes in FND_USER_RESP_GROUPS for unauthorized modifications.
Alert on repeated failed authorization checks preceding successful sensitive operations from the same user identifier.

How to Mitigate CVE-2026-62495

Immediate Actions Required

Apply the July 2026 Oracle Critical Patch Update to all Oracle E-Business Suite 12.2.15 environments running Process Manufacturing Process Execution.
Inventory all Oracle E-Business Suite instances exposed to internal or external HTTP traffic and prioritize patching internet-facing systems.
Review recent activity from low-privileged Process Manufacturing user accounts for signs of privilege abuse.

Patch Information

Oracle addressed CVE-2026-62495 in the July 2026 Critical Patch Update. Administrators should download and apply the relevant patch for Oracle E-Business Suite 12.2.15 as described in the Oracle Critical Patch Update Advisory - July 2026. Follow Oracle's documented pre-installation, application-tier, and database-tier patch procedures, and validate the environment in a test instance before rolling to production.

Workarounds

Restrict network access to the Oracle E-Business Suite HTTP tier using firewall rules, VPN gating, or reverse proxy allow-lists until patching is complete.
Review and reduce responsibility and role assignments in Process Manufacturing Process Execution, removing unnecessary low-privileged accounts.
Enforce strong authentication and session controls, including MFA on Oracle E-Business Suite portals where supported.

bash

# Verify Oracle E-Business Suite patch level after applying the July 2026 CPU
# Run from the APPL_TOP environment as the applmgr user
source $APPL_TOP/APPS<CONTEXT_NAME>.env
adop -status
sqlplus apps/<password> <<EOF
SELECT bug_number, creation_date
  FROM ad_bugs
 WHERE bug_number IN ('<CPU_JUL2026_BUG_ID>')
 ORDER BY creation_date DESC;
EOF