CVE-2026-62507: Oracle Time and Labor Auth Bypass Flaw

CVE-2026-62507 Overview

CVE-2026-62507 is an access control weakness [CWE-284] in the Oracle Time and Labor 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. A low-privileged attacker with network access via HTTP can exploit this vulnerability to compromise the integrity of Oracle Time and Labor data. Successful exploitation permits unauthorized creation, deletion, or modification of critical data across the application. Oracle disclosed this issue in the July 2026 Critical Patch Update.

Critical Impact
Successful exploitation allows unauthorized creation, deletion, or modification of all Oracle Time and Labor accessible data, undermining the integrity of workforce and payroll records.

Affected Products

Oracle E-Business Suite — Oracle Time and Labor version 12.2.3
Oracle E-Business Suite — Oracle Time and Labor versions 12.2.4 through 12.2.14
Oracle E-Business Suite — Oracle Time and Labor version 12.2.15

Discovery Timeline

2026-07-21 - CVE-2026-62507 published to NVD
2026-07-22 - Last updated in NVD database

Technical Details for CVE-2026-62507

Vulnerability Analysis

The vulnerability affects the Internal Operations component of Oracle Time and Labor, a module of Oracle E-Business Suite used for workforce time capture and labor distribution. The weakness is categorized under [CWE-284] Improper Access Control. An authenticated attacker holding low-level privileges can send crafted HTTP requests to trigger operations that should be restricted. The result is unauthorized write access to records the attacker should not be able to touch. Because the impact is limited to integrity, attackers can alter or destroy data without directly exposing confidential information or disrupting availability. The attack complexity is documented as high, meaning exploitation requires specific conditions beyond the attacker's direct control, such as timing or configuration state.

Root Cause

The root cause is improper access control within the Internal Operations component. Authorization checks fail to enforce the privilege boundary required before executing sensitive create, update, or delete operations on Time and Labor data. Oracle has not publicly disclosed the specific code paths affected.

Attack Vector

Exploitation occurs over the network through HTTP requests directed at exposed Oracle E-Business Suite endpoints. The attacker must first authenticate with a low-privilege account and then issue requests that reach the vulnerable Internal Operations logic. No user interaction is required. The scope remains unchanged, and confidentiality and availability are not directly affected. See the Oracle Security Alert July 2026 for vendor guidance.

Detection Methods for CVE-2026-62507

Indicators of Compromise

Unexpected create, update, or delete operations against Oracle Time and Labor tables originating from low-privilege application accounts.
HTTP requests to Oracle E-Business Suite Time and Labor endpoints that reference Internal Operations functionality outside normal business workflows.
Audit log entries showing data changes without corresponding approval or workflow records.

Detection Strategies

Enable Oracle E-Business Suite auditing on Time and Labor tables and review row-level modifications for anomalous actors.
Correlate application session logs with database DML activity to detect privilege boundary violations.
Baseline typical HTTP request patterns to Time and Labor URLs and alert on deviations from low-privilege users.

Monitoring Recommendations

Monitor authentication events for low-privilege Oracle E-Business Suite accounts that suddenly perform administrative-style operations.
Forward Oracle E-Business Suite and database audit logs to a centralized analytics platform for correlation and retention.
Track integrity-sensitive tables in the HXT (Time and Labor) schema for unauthorized modifications.

How to Mitigate CVE-2026-62507

Immediate Actions Required

Apply the July 2026 Oracle Critical Patch Update for Oracle E-Business Suite as documented in the Oracle Security Alert July 2026.
Inventory Oracle E-Business Suite deployments and confirm which environments run Oracle Time and Labor versions 12.2.3 through 12.2.15.
Restrict network access to Oracle E-Business Suite HTTP endpoints so that only trusted internal networks can reach the application tier.
Review recent audit logs on Time and Labor tables for signs of unauthorized data modification.

Patch Information

Oracle addressed CVE-2026-62507 in the July 2026 Critical Patch Update. Administrators should download and apply the patches referenced in the Oracle Security Alert July 2026 advisory for all affected 12.2.3–12.2.15 installations. Testing in a non-production environment is recommended before rolling patches to production.

Workarounds

Reduce the population of accounts with any Time and Labor privileges to the minimum required for business operations.
Place Oracle E-Business Suite behind a web application firewall and restrict inbound HTTP paths to Internal Operations functions.
Increase audit granularity on Time and Labor schemas until patching is complete to enable rapid detection of tampering.

bash

# Configuration example - restrict access to EBS application tier at the network layer
# Example iptables rule limiting HTTP access to trusted subnets only
iptables -A INPUT -p tcp --dport 8000 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP