# CVE-2026-91530: Oracle GoldenGate privilege escalation in Admin Client

Source: https://junglewise.ai/threats/cve-2026-91530-vulnerability-in-oracle-goldengate-component-admin-client  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-91530 · Severity: medium · CVSS 4.4 · Published 2026-10-20

Oracle GoldenGate is a data replication and integration platform used to synchronize databases across enterprises. This vulnerability in the Admin Client Executable allows a highly privileged attacker with network access to extract sensitive data from GoldenGate systems. Exploitation could lead to unauthorized access to critical business data replicated through the platform.

Technologies: [Oracle GoldenGate](https://junglewise.ai/threats/technologies/goldengate). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-91530 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91530 being exploited in the wild.

**How severe is CVE-2026-91530?** Medium severity, with a CVSS score of 4.4, published 20 October 2026.

**Which products and versions are affected?** Oracle GoldenGate 23.4 to 23.26.2.0.0.

**Is there a fix for CVE-2026-91530?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-91530 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-91530?** Check whether you run Oracle GoldenGate at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A difficult-to-exploit vulnerability in the Oracle GoldenGate Admin Client Executable allows a high-privileged attacker to compromise confidentiality via network access over HTTP. The attack requires high privileges and complex exploitation conditions (AC:H), but successful exploitation grants unauthorized read access to GoldenGate-managed data. No information provided on whether a fix is available.

## Affected products

- Oracle GoldenGate 23.4 to 23.26.2.0.0

## Timeline

- 2026-10-20: disclosed

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle GoldenGate privilege escalation in Vendor Access Module](https://junglewise.ai/threats/cve-2026-91547-vulnerability-in-oracle-goldengate-component-vendor-access-module)
- [Oracle GoldenGate privilege escalation in Admin Server](https://junglewise.ai/threats/cve-2026-87351-vulnerability-in-oracle-goldengate-component-admin-server)
- [Oracle GoldenGate privilege escalation in Vendor Access Module](https://junglewise.ai/threats/cve-2026-101601-vulnerability-in-oracle-goldengate-component-vendor-access)
- [Oracle GoldenGate unauthenticated compromise in Config Service Executable](https://junglewise.ai/threats/cve-2026-61106-oracle-goldengate-unauthenticated-compromise-in-config-service)
- [Oracle GoldenGate unauthorized data access in Libraries](https://junglewise.ai/threats/cve-2026-61084-oracle-goldengate-unauthorized-data-access-in-libraries)