# CVE-2026-83140: Oracle E-Business Suite Field Service unauthorized data access

Source: https://junglewise.ai/threats/cve-2026-83140-oracle-e-business-suite-field-service-unauthorized-data-access  
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-2026-83140 · Severity: medium · CVSS 6.5 · Published 2026-09-15

Oracle E-Business Suite includes a Field Service module used to manage service operations and customer data. A vulnerability in this component allows low-privileged users with network access to read sensitive or complete operational data without authorization. This could expose critical customer information or service records stored in the system.

Technologies: [Oracle E-Business Suite Field Service](https://junglewise.ai/threats/technologies/e-business-suite-field-service). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83140 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83140 being exploited in the wild.

**How severe is CVE-2026-83140?** Medium severity, with a CVSS score of 6.5, published 15 September 2026.

**Which products and versions are affected?** Oracle E-Business Suite Field Service 12.2.3 to 12.2.15.

**Is there a fix for CVE-2026-83140?** 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-2026-83140 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-83140?** Check whether you run Oracle E-Business Suite Field Service 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 an authorization bypass or information disclosure vulnerability in the Internal Operations component of Oracle Field Service. The vulnerability requires low privilege network access via HTTP and no user interaction, but affects only confidentiality (no integrity or availability impact). Attackers can read unauthorized data accessible through the Field Service application. Oracle has confirmed the vulnerability affects versions 12.2.3 through 12.2.15; patch status and specific root cause details are not available from the reference sources provided.

## Affected products

- Oracle E-Business Suite Field Service 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 Field Service cross-site request forgery in E-Business Suite](https://junglewise.ai/threats/cve-2026-83198-oracle-field-service-cross-site-request-forgery-in-e-business)
- [Oracle E-Business Suite Field Service unauthorized data access](https://junglewise.ai/threats/cve-2026-83141-oracle-e-business-suite-field-service-unauthorized-data-access)
- [Oracle Field Service privilege escalation and data manipulation](https://junglewise.ai/threats/cve-2026-83092-oracle-field-service-privilege-escalation-and-data-manipulation)