CVE-2026-62494: Oracle Time and Labor Auth Bypass Flaw

CVE-2026-62494 Overview

CVE-2026-62494 is a high-severity access control vulnerability [CWE-284] in the Oracle Time and Labor product of Oracle E-Business Suite. The flaw resides in the Internal Operations component and affects supported versions 12.2.3 through 12.2.15. A low-privileged attacker with network access via HTTP can exploit the weakness without user interaction. Successful exploitation permits unauthorized creation, deletion, or modification of critical Oracle Time and Labor data. Attackers can also gain complete read access to all data accessible through the application. Oracle addressed the issue in the July 2026 Critical Patch Update.

Critical Impact
Authenticated network attackers can read and modify all Oracle Time and Labor data, compromising payroll, timekeeping, and workforce records integrity.

Affected Products

Oracle E-Business Suite - Oracle Time and Labor 12.2.3 through 12.2.15
Component: Internal Operations
Deployments exposing HTTP endpoints of Oracle E-Business Suite to authenticated users

Discovery Timeline

2026-07-21 - CVE-2026-62494 published to NVD
2026-07-22 - Last updated in NVD database
July 2026 - Oracle Critical Patch Update released addressing the vulnerability

Technical Details for CVE-2026-62494

Vulnerability Analysis

The vulnerability is categorized as improper access control [CWE-284] within the Internal Operations component of Oracle Time and Labor. An authenticated attacker with low privileges can send crafted HTTP requests to bypass authorization checks. The flaw impacts confidentiality and integrity but does not affect availability. Because the attack complexity is low and no user interaction is required, exploitation is straightforward for attackers with valid application credentials.

Oracle Time and Labor stores workforce timekeeping and labor cost data that feeds payroll and financial reporting systems. Unauthorized modification of this data can propagate downstream to payroll runs, project accounting, and compliance reporting. The scope remains unchanged, meaning the impact is contained within the vulnerable component.

Root Cause

The root cause is missing or insufficient authorization enforcement on functionality exposed by the Internal Operations component. The application does not adequately verify that the requesting user holds the privileges required to perform sensitive read and write operations on Time and Labor data. Oracle has not published detailed technical internals in the public advisory.

Attack Vector

Exploitation occurs over the network via HTTP against an exposed Oracle E-Business Suite instance. The attacker must possess valid low-privileged application credentials. Once authenticated, the attacker issues crafted requests to Internal Operations endpoints to access or manipulate data outside the intended authorization boundary.

Refer to the Oracle Security Alert CPU July 2026 for the authoritative advisory. No public proof-of-concept code has been released, and the current EPSS score indicates low predicted exploitation likelihood.

Detection Methods for CVE-2026-62494

Indicators of Compromise

Unexpected HTTP requests to Oracle Time and Labor Internal Operations URLs originating from low-privileged application accounts
Anomalous read or write activity in Time and Labor database tables outside standard business hours
Application audit log entries showing data modifications not tied to a corresponding user workflow
Sudden changes in timecard, labor distribution, or approval records without a matching approval trail

Detection Strategies

Review Oracle E-Business Suite application audit logs for access patterns that cross role boundaries in the Time and Labor module
Correlate HTTP access logs with authenticated session identity and role assignments to detect authorization anomalies
Baseline normal Internal Operations traffic and alert on volume or endpoint deviations
Compare snapshots of critical Time and Labor tables against expected change patterns from business processes

Monitoring Recommendations

Enable Oracle E-Business Suite Sign-On Audit and Page Access Tracking for the Time and Labor responsibility
Forward web tier, application server, and database audit logs to a centralized SIEM for correlation
Alert on database DML operations against Time and Labor tables performed by application accounts outside sanctioned batch windows
Monitor for privilege changes to Oracle Applications user accounts that grant access to Time and Labor responsibilities

How to Mitigate CVE-2026-62494

Immediate Actions Required

Apply the Oracle July 2026 Critical Patch Update to all Oracle E-Business Suite environments running affected versions 12.2.3 through 12.2.15
Inventory all Oracle E-Business Suite deployments and confirm the Time and Labor module patch level
Restrict network access to Oracle E-Business Suite HTTP endpoints to trusted corporate networks and VPN users
Review and reduce the number of user accounts holding Time and Labor responsibilities

Patch Information

Oracle released a fix as part of the July 2026 Critical Patch Update. Administrators should consult the Oracle Security Alert CPU July 2026 for patch identifiers, prerequisites, and installation instructions specific to Oracle E-Business Suite 12.2.x. Apply the patch in a test environment first and validate Time and Labor workflows before rolling to production.

Workarounds

Limit HTTP access to the Oracle E-Business Suite application tier using network segmentation and web application firewall rules
Revoke Time and Labor responsibilities from users who do not require them until patching completes
Increase audit log verbosity on the Internal Operations component and review logs daily
Enable database-level auditing on Time and Labor tables to capture unauthorized changes

bash

# Example: enable Oracle E-Business Suite Sign-On Audit at FORM level
# Set profile option 'Sign-On:Audit Level' = FORM
# Then query audit data:
SELECT user_name, responsibility_name, form_name, start_time, end_time
  FROM apps.fnd_logins fl
  JOIN apps.fnd_login_resp_forms flrf ON fl.login_id = flrf.login_id
 WHERE start_time > SYSDATE - 7
   AND responsibility_name LIKE '%Time and Labor%'
 ORDER BY start_time DESC;