Oracle Mobile Field Service: Improper access control allows takeover
Summary
Oracle Mobile Field Service, part of Oracle E-Business Suite, versions 12.2.3 to 12.2.15, contains an improper access control flaw (CWE-284) that is reachable over HTTP. An attacker with a low-privilege account and network access can compromise the product, with no user interaction required; the CVSS 3.1 base score is 8.8. Successful attacks can result in takeover of the product. NVD analysis was still pending at the time of research.
Affected
- Oracle Mobile Field Service (part of Oracle E-Business Suite), versions 12.2.3 up to and including 12.2.15
- Component: Internal Operations
Fixed in
Unknown. Check the Oracle Critical Patch Update Advisory for October 2026.
Workaround
Unknown. Check the Oracle advisory and Oracle Support for official guidance.
- Until a patch is confirmed, restrict network access to the HTTP(S) endpoints to field-staff networks or VPN.
- Review which accounts hold access to the product.
Exploitation
- No evidence of exploitation in the wild found; the CISA KEV catalogue was not checked directly.
- No public proof-of-concept found.
- EPSS 0.00433 (low predicted exploitation probability).
- CISA SSVC: exploitation none, automatable no, technical impact total.
Our recommendation
- Check whether Mobile Field Service is installed and which version is running.
- Apply the Oracle October 2026 Critical Patch Update as soon as the fixed version is confirmed for your release.
- Restrict HTTP access to field-staff networks or VPN and review accounts with access.
- Review access logs for the affected endpoints for unusual activity.
- Monitor CISA KEV and vendor channels for exploitation reports.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Oracle Critical Patch Update Advisory – October 2026 www.oracle.com
- CVE record aggregation (Vulners, CVE List) vulners.com
- Strix CVE-2026-101664 details www.strix.ai
- PT-2026-119340 (Vulners, listed reference) vulners.com
- CVE List release 2026-10-24_0400Z github.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 31 Oct 2026, 15:21.
Original description (NVD)
Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Internal Operations). 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 takeover of Oracle Mobile Field Service. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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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