# CVE-2026-83428: Oracle Demand Signal Repository data access vulnerability in E-Business Suite

Source: https://junglewise.ai/threats/cve-2026-83428-oracle-demand-signal-repository-data-access-vulnerability-in-e  
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-2026-83428 · Severity: high · CVSS 8.1 · Published 2026-09-15

Oracle Demand Signal Repository is a component within Oracle E-Business Suite that manages critical demand forecasting and inventory planning data for enterprises. A vulnerability allows low-privileged attackers with network access to read, modify, or delete sensitive business data without proper authorization, potentially exposing or corrupting supply chain and operational information essential to business continuity.

Technologies: [Oracle Demand Signal Repository](https://junglewise.ai/threats/technologies/demand-signal-repository). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83428 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83428 being exploited in the wild.

**How severe is CVE-2026-83428?** High severity, with a CVSS score of 8.1, published 15 September 2026.

**Which products and versions are affected?** Oracle Demand Signal Repository 12.2.3 to 12.2.15.

**Is there a fix for CVE-2026-83428?** 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-2026-83428 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-83428?** Check whether you run Oracle Demand Signal Repository 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

The vulnerability exists in the Internal Operations component of Oracle Demand Signal Repository (versions 12.2.3 through 12.2.15) and is exploitable over the network via HTTP by low-privileged attackers without requiring user interaction. The flaw permits unauthorized data access and modification, compromising both confidentiality and integrity of stored data. The attack requires low privilege authentication but no complex exploitation techniques (CVSS AC:L). Affected organizations should apply security patches from Oracle's September 2026 Critical Patch Update when available.

## Affected products

- Oracle Demand Signal Repository 12.2.3 to 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 Demand Signal Repository privilege escalation in E-Business Suite](https://junglewise.ai/threats/cve-2026-83456-oracle-demand-signal-repository-privilege-escalation-in-e)
- [Oracle Demand Signal Repository SQL injection in Internal Operations](https://junglewise.ai/threats/cve-2026-60840-oracle-demand-signal-repository-sql-injection-in-internal)