# CVE-2026-83345: Oracle XML Gateway HTTP authentication bypass in E-Business Suite

Source: https://junglewise.ai/threats/cve-2026-83345-oracle-xml-gateway-http-authentication-bypass-in-e-business-suite  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83345 · Severity: high · CVSS 7.1 · Published 2026-09-15

Oracle XML Gateway is a component of Oracle E-Business Suite that handles XML-based data integration and electronic commerce transactions. A flaw allows an attacker with low-level credentials and network access to bypass authentication controls, potentially exposing sensitive business data and disrupting critical integration processes that depend on XML Gateway for order processing, invoicing, and inter-system communication.

Technologies: [Oracle Xml Gateway](https://junglewise.ai/threats/technologies/xml-gateway). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83345 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83345 being exploited in the wild.

**How severe is CVE-2026-83345?** High severity, with a CVSS score of 7.1, published 15 September 2026.

**Which products and versions are affected?** Oracle Xml Gateway 12.2.3–12.2.15.

**Is there a fix for CVE-2026-83345?** 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-2026-83345 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-83345?** Check whether you run Oracle Xml Gateway 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

This vulnerability is an authentication bypass or authorization flaw in the Oracle XML Gateway install component (versions 12.2.3–12.2.15) that allows a low-privileged attacker with network access via HTTP to gain unauthorized access to sensitive data and trigger a partial denial of service. The attack requires valid credentials (low privilege level) but no user interaction, indicating the flaw exists in the authentication or access control logic of the gateway. An attacker can read critical data accessible through XML Gateway and degrade service availability. Patches should be available from Oracle's Critical Patch Update program.

## Affected products

- Oracle XML Gateway 12.2.3–12.2.15

## Timeline

- 2026-09-15: disclosed

## References

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

- [Oracle XML Gateway Install component unauthorized access and DoS in E-Business Suite](https://junglewise.ai/threats/cve-2026-83300-oracle-xml-gateway-install-component-unauthorized-access-and-dos)
- [Oracle XML Gateway unauthorized access and denial of service](https://junglewise.ai/threats/cve-2026-83044-oracle-xml-gateway-unauthorized-access-and-denial-of-service)
- [Oracle E-Business Suite XML Gateway data compromise in Oracle Transport Agent](https://junglewise.ai/threats/cve-2017-3303-oracle-e-business-suite-xml-gateway-data-compromise-in-oracle)