Oracle Mobile Field Service: Unauthorized data access via Admin UI
Summary
Oracle Mobile Field Service, a module of Oracle E-Business Suite, contains a vulnerability in the Admin UI component that affects versions 12.2.3 through 12.2.15. An attacker with a low-privileged account and network access via HTTP can create, delete or modify critical data and access Mobile Field Service data. Availability is not affected according to the CVSS vector.
Affected
- Oracle Mobile Field Service (part of Oracle E-Business Suite), versions 12.2.3 through 12.2.15
- Component: Admin UI
Fixed in
Unknown. Check Oracle's October 2026 Critical Patch Update and My Oracle Support for the fixed patch.
Workaround
Unknown. No vendor-confirmed workaround was found. Interim measures under consideration: restrict network access to the Admin UI and review accounts with Mobile Field Service roles. Verify with Oracle before applying.
Exploitation
- Exploited in the wild: no evidence found (CISA KEV status not checked).
- Public proof of concept: no evidence found.
- EPSS: 0.00389 (low predicted exploitation probability).
- CISA SSVC: Exploitation none, Automatable no, Technical Impact total.
Our recommendation
- If you run Oracle E-Business Suite with Mobile Field Service, treat this as high priority.
- Apply the October 2026 Oracle Critical Patch Update once you have confirmed the fix in Oracle's advisory.
- Restrict access to the Admin UI and the EBS web tier, and limit Mobile Field Service accounts to required users.
- Review Mobile Field Service accounts and roles, and monitor for unusual data changes.
- If you do not run Mobile Field Service, no action is needed for this CVE.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Oracle Security Alert: October 2026 Critical Patch Update www.oracle.com
- NVD: CVE-2026-101665 vulners.com
- CVE List: CVE-2026-101665 vulners.com
- Strix.ai: CVE-2026-101665 www.strix.ai
- CNNVD-2026-63529262 vulners.com
- Tenable scan plugin: Oracle E-Business Suite October 2026 CPU vulners.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 1 Nov 2026, 18:27.
Original description (NVD)
Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Admin UI). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Mobile Field Service. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Mobile Field Service accessible data as well as unauthorized access to critical data or complete access to all Oracle Mobile Field Service accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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