CVE-2026-60394: Oracle GoldenGate Information Disclosure

CVE-2026-60394 Overview

CVE-2026-60394 is an information disclosure vulnerability in the Admin Server Executable component of Oracle GoldenGate. Affected versions span 21.3 through 21.21 and 23.4 through 23.26.1. An unauthenticated attacker with network access over HTTPS can exploit this weakness to gain unauthorized read access to a subset of Oracle GoldenGate accessible data. The vulnerability requires no user interaction and no privileges, making remote exploitation straightforward against exposed Admin Server instances. Oracle disclosed the issue in the July 2026 Critical Patch Update.

Critical Impact
Unauthenticated remote attackers can read a subset of data managed by Oracle GoldenGate through the Admin Server HTTPS interface.

Affected Products

Oracle GoldenGate versions 21.3 to 21.21
Oracle GoldenGate versions 23.4 to 23.26.1
Oracle GoldenGate Admin Server Executable component

Discovery Timeline

2026-07-21 - CVE CVE-2026-60394 published to NVD
2026-07-21 - Last updated in NVD database
July 2026 - Oracle addresses the issue in the Oracle Security Alert July 2026

Technical Details for CVE-2026-60394

Vulnerability Analysis

The vulnerability resides in the Admin Server Executable component of Oracle GoldenGate, the administrative service that manages replication processes and configuration. The flaw permits an unauthenticated remote attacker to reach a code path that returns sensitive information without enforcing proper authorization. Exploitation occurs over HTTPS, which is the standard transport for the Admin Server management interface.

Oracle characterizes the impact as confidentiality-only, with no integrity or availability effects. The exposed data is described as a subset of Oracle GoldenGate accessible data, which may include configuration details, process metadata, or replication state information relevant to operators. Oracle has not published low-level technical details or a proof of concept.

Root Cause

The root cause is a missing or improperly enforced access control check within an Admin Server endpoint. The service accepts anonymous HTTPS requests and returns data that should require authentication. The condition maps to the Broken Access Control class of vulnerabilities.

Attack Vector

Exploitation requires network reachability to the Admin Server HTTPS listener. The attacker sends crafted HTTPS requests to the vulnerable endpoint without supplying valid credentials. No user interaction is required, and no prerequisites beyond network access exist. Deployments that expose the Admin Server to untrusted networks or the internet face the highest exposure. Refer to the Oracle Security Alert July 2026 for vendor guidance.

Detection Methods for CVE-2026-60394

Indicators of Compromise

Unauthenticated HTTPS requests to Oracle GoldenGate Admin Server endpoints originating from unexpected source addresses
Access log entries showing successful responses to Admin Server URIs without a preceding authentication event
Sudden increase in outbound data volume from the Admin Server host to external destinations

Detection Strategies

Inspect Admin Server HTTPS access logs for anonymous requests that return 200-series responses to administrative paths
Correlate GoldenGate audit logs with network flow records to identify sessions that read data without prior login events
Alert on requests to Admin Server endpoints from IP ranges outside authorized management networks

Monitoring Recommendations

Ingest GoldenGate Admin Server logs into the SIEM and baseline normal request patterns per source and URI
Monitor TLS session metadata on the Admin Server listener for scanning behavior and repeated unauthenticated requests
Track configuration and metadata read operations against a known list of authorized operators and service accounts

How to Mitigate CVE-2026-60394

Immediate Actions Required

Apply the July 2026 Oracle Critical Patch Update to all Oracle GoldenGate instances in the affected version ranges
Restrict network access to the Admin Server HTTPS listener to trusted management subnets using firewall or host-based controls
Audit Admin Server access logs for anonymous request patterns dating back to the earliest affected release in use
Rotate any secrets or credentials that may have been visible through Admin Server responses if exposure is suspected

Patch Information

Oracle released fixes as part of the July 2026 Critical Patch Update. Administrators should consult the Oracle Security Alert July 2026 for patch identifiers, updated versions, and installation instructions covering both the 21.x and 23.x branches.

Workarounds

Place the Admin Server behind a VPN or bastion host so it is not reachable from untrusted networks
Enforce network segmentation that limits inbound HTTPS to the Admin Server port from approved administrator workstations only
Disable or shut down the Admin Server on instances where administrative functionality is not required until patching is complete

bash

# Example: restrict Admin Server HTTPS access to a management subnet using iptables
iptables -A INPUT -p tcp --dport 9002 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 9002 -j DROP