Access control flaw in Oracle Mobile Field Service enables takeover
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
Oracle Mobile Field Service in Oracle E-Business Suite, supported versions from 12.2.3 through 12.2.15, contains an improper access control flaw (CWE-284). A remote attacker with low privileges and network access over HTTP can take over the product, and no user interaction is needed.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Oracle Mobile Field Service.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle Mobile Field Service — oracle.com/security-alerts/cpuoct2026.html
18 records Highest priority Priority MEDIUM 8 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2026-77941 Improper access control in Oracle Mobile Field ServicePriority MEDIUM 46
- TI-2026-77994 Access control flaw in Oracle Mobile Field Service enables takeoverPriority MEDIUM 40
- TI-2026-77962 Improper access control in Oracle Mobile Field Service allows takeoverPriority MEDIUM 40
Timeline
- 2026-10-21 Threatist record created from CVE-2026-101664
- 2026-10-21 Alias added: GHSA-89mf-p286-w434
- 2026-10-21 Weakness changed · CISA ADP
- 2026-10-21 CISA SSVC decision points changed
- 2026-10-21 Priority changed: MEDIUM → LOW
- 2026-10-22 Priority changed: LOW → MEDIUM
- 2026-10-24 CISA SSVC decision points changed
References
Advisory 1
More Oracle vulnerabilities
- TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
- TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
- TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
- TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
- TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-101664 · CVE Program
- CVE-2026-101664 · NVD
- FIRST EPSS
- GHSA-89mf-p286-w434 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences