# CVE-2026-83457: Oracle Demand Signal Repository data manipulation and DoS

Source: https://junglewise.ai/threats/cve-2026-83457-oracle-demand-signal-repository-data-manipulation-and-dos  
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-2026-83457 · Severity: high · CVSS 8.1 · Published 2026-09-15

Oracle Demand Signal Repository is a component of Oracle E-Business Suite used for managing supply chain and demand forecasting data. A low-privileged network attacker can exploit this vulnerability to create, delete, or modify critical business data without authorization, or crash the application repeatedly, causing operational disruption.

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

## Quick answers

**Is CVE-2026-83457 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83457 being exploited in the wild.

**How severe is CVE-2026-83457?** High severity, with a CVSS score of 8.1, published 15 September 2026.

**Which products and versions are affected?** Oracle E-Business Suite Demand Signal Repository 12.2.3 through 12.2.15.

**Is there a fix for CVE-2026-83457?** 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-2026-83457 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-83457?** Check whether you run Oracle E-Business Suite 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

This is a privilege escalation vulnerability in Oracle Demand Signal Repository (versions 12.2.3–12.2.15) affecting the Internal Operations component. The vulnerability allows a low-privileged attacker with network access via HTTP to bypass authorization controls and execute unauthorized operations. An attacker can create, delete, or modify data in the repository and trigger denial-of-service conditions through repeated crashes. The vulnerability requires network reachability and valid low-privilege credentials but does not require special user interaction. No patched version information is currently available.

## Affected products

- Oracle E-Business Suite Demand Signal Repository 12.2.3 through 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 unauthorized data access in E-Business Suite](https://junglewise.ai/threats/cve-2026-83455-oracle-demand-signal-repository-unauthorized-data-access-in-e)
- [Oracle Demand Signal Repository unauthorized data access and modification](https://junglewise.ai/threats/cve-2026-83429-oracle-demand-signal-repository-unauthorized-data-access-and)