CVE-2026-60748: Oracle General Ledger Auth Bypass Flaw

CVE-2026-60748 Overview

CVE-2026-60748 is a vulnerability in the Oracle General Ledger product of Oracle E-Business Suite, specifically within the Internal Operations component. The flaw affects supported versions 12.2.3 through 12.2.15. A high-privileged attacker with network access via HTTP can exploit this weakness to compromise Oracle General Ledger. The vulnerability carries a scope change, meaning successful exploitation can impact resources beyond Oracle General Ledger itself. The weakness is categorized under [CWE-284: Improper Access Control].

Critical Impact
Successful exploitation grants unauthorized access to critical Oracle General Ledger data and permits unauthorized update, insert, or delete operations against a subset of that data.

Affected Products

Oracle E-Business Suite - Oracle General Ledger version 12.2.3
Oracle E-Business Suite - Oracle General Ledger versions 12.2.4 through 12.2.14
Oracle E-Business Suite - Oracle General Ledger version 12.2.15

Discovery Timeline

2026-08-18 - CVE-2026-60748 published to NVD
2026-08-20 - Last updated in NVD database

Technical Details for CVE-2026-60748

Vulnerability Analysis

CVE-2026-60748 resides in the Internal Operations component of Oracle General Ledger, part of the broader Oracle E-Business Suite (EBS) financial management stack. The issue is an improper access control weakness that permits authenticated, high-privileged users to reach functionality they should not be able to invoke. Because the attack traverses HTTP, exploitation can occur remotely across any network path reachable to the EBS deployment.

The vulnerability results in a scope change. An attacker operating within the boundary of Oracle General Ledger can affect additional Oracle products integrated with the EBS environment. This makes the flaw particularly relevant in tightly coupled financial deployments where General Ledger interacts with subledgers, reporting layers, and shared middleware.

Root Cause

The root cause is improper access control [CWE-284] within the Internal Operations component. Authorization checks fail to properly restrict actions that a high-privileged user can perform, allowing operations that cross trust boundaries and expose data outside the intended access scope.

Attack Vector

Exploitation requires network access via HTTP and existing high-privileged credentials within the target EBS instance. No user interaction is required. The attacker sends crafted HTTP requests to the Internal Operations component to trigger the improper access control condition. Confidentiality impact is high; integrity impact is limited to some accessible data; availability is not affected. Refer to the Oracle Security Alert for authoritative technical detail.

No verified proof-of-concept code is publicly available for CVE-2026-60748, and no synthetic exploitation code is presented here.

Detection Methods for CVE-2026-60748

Indicators of Compromise

Unexpected HTTP requests to Oracle General Ledger Internal Operations endpoints originating from accounts with elevated EBS privileges.
Anomalous read, insert, update, or delete activity against General Ledger tables outside normal business processes.
Cross-module data access events where General Ledger sessions touch resources belonging to adjacent Oracle EBS products.

Detection Strategies

Enable and forward Oracle EBS application server access logs and database audit logs to a centralized analytics platform for correlation.
Baseline normal Internal Operations usage patterns per privileged account and alert on deviations in request frequency, endpoints touched, or off-hours activity.
Correlate authentication events for high-privileged EBS accounts with subsequent HTTP requests to General Ledger endpoints to identify credential misuse.

Monitoring Recommendations

Monitor privileged account activity within Oracle EBS continuously, focusing on Internal Operations transactions.
Track scope-crossing data access where General Ledger sessions read or modify data attributed to other Oracle EBS modules.
Ingest EBS and database telemetry into a SIEM to enable retroactive hunting once patch details are broadly applied.

How to Mitigate CVE-2026-60748

Immediate Actions Required

Apply the Oracle Critical Patch Update referenced in the Oracle Security Alert to all Oracle General Ledger deployments running versions 12.2.3 through 12.2.15.
Review and reduce the population of high-privileged EBS accounts capable of reaching the Internal Operations component.
Rotate credentials for any privileged accounts whose activity cannot be fully accounted for in recent audit logs.

Patch Information

Oracle addresses this vulnerability through the security patch bundle documented in the Oracle Security Alert (cspuaug2026). Administrators should follow Oracle's standard EBS patching procedure and validate the fix in a non-production environment before production rollout.

Workarounds

Restrict network reachability to Oracle EBS HTTP endpoints using firewall rules, reverse proxy allowlists, or VPN-only access until patches are applied.
Enforce least privilege on EBS responsibilities and roles so that fewer accounts meet the high-privilege precondition required for exploitation.
Enable enhanced auditing on Oracle General Ledger Internal Operations transactions to accelerate identification of anomalous activity during the remediation window.

bash

# Configuration example: restrict access to Oracle EBS HTTP listener at the network edge
# Replace <ebs_host> and <trusted_admin_cidr> with your environment values
iptables -A INPUT -p tcp --dport 8000 -s <trusted_admin_cidr> -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP