# CVE-2026-101661: Oracle Mobile Field Service Admin UI unauthenticated access in E-Business Suite

Source: https://junglewise.ai/threats/cve-2026-101661-vulnerability-in-the-oracle-mobile-field-service-product-of  
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-2026-101661 · Severity: high · CVSS 7.4 · Published 2026-10-20

Oracle Mobile Field Service is a field workforce management component of Oracle E-Business Suite. An unauthenticated attacker over the network can exploit a difficult-to-exploit vulnerability in the Admin UI to gain unauthorized access to create, delete, or modify critical business data. Successful exploitation results in both data exposure and unauthorized data modification affecting all accessible records.

Technologies: [Oracle Mobile Field Service](https://junglewise.ai/threats/technologies/mobile-field-service). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-101661 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101661 being exploited in the wild.

**How severe is CVE-2026-101661?** High severity, with a CVSS score of 7.4, published 20 October 2026.

**Which products and versions are affected?** Oracle Mobile Field Service 12.2.3 to 12.2.15.

**Is there a fix for CVE-2026-101661?** 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-2026-101661 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-101661?** Check whether you run Oracle Mobile 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

An unauthenticated, difficult-to-exploit vulnerability in the Oracle Mobile Field Service Admin UI component allows network-based attackers via HTTP to bypass access controls. The vulnerability permits unauthorized creation, deletion, modification, and read access to critical data or complete access to all Oracle Mobile Field Service accessible data. A fix is available in patched versions.

## Affected products

- Oracle Mobile Field Service 12.2.3 to 12.2.15

## 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 Mobile Field Service privilege escalation in Admin UI](https://junglewise.ai/threats/cve-2026-101694-vulnerability-in-the-oracle-mobile-field-service-product-of)
- [Oracle Mobile Field Service privilege escalation in Admin UI](https://junglewise.ai/threats/cve-2026-101692-vulnerability-in-the-oracle-mobile-field-service-product-of)
- [Oracle Mobile Field Service privilege escalation in Internal Operations](https://junglewise.ai/threats/cve-2026-101675-vulnerability-in-the-oracle-mobile-field-service-product-of)
- [Oracle Mobile Field Service privilege escalation](https://junglewise.ai/threats/cve-2026-101674-vulnerability-in-the-oracle-mobile-field-service-product-of)
- [Oracle Mobile Field Service privilege escalation in E-Business Suite](https://junglewise.ai/threats/cve-2026-101664-vulnerability-in-the-oracle-mobile-field-service-product-of)