---
id: "CVE-2026-101635"
kind: "vulnerability"
aliases: ["CVE-2026-101635"]
title: "Oracle E-Business Suite Mobile Field Service: network flaw allows full takeover"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "Oracle Mobile Field Service (E-Business Suite)", "fixed": [], "affected": ">= 12.2.3, <= 12.2.15", "ecosystem": "vendor"}]
ecosystems: []
tags: ["mobile-field-service", "oracle-ebusiness-suite", "self-hosted", "vendor"]
not_affected_if: ["mobile-field-service-not-installed", "versions-outside-12.2.3-12.2.15"]
published_at: "2026-10-20T22:18:17+00:00"
first_seen_at: "2026-10-23T21:57:22+00:00"
updated_at: "2026-10-24T00:08:23+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101635", "first_seen_at": "2026-10-23T21:57:22+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-10-24T00:08:23+00:00"}]
---

# Oracle E-Business Suite Mobile Field Service: network flaw allows full takeover

Oracle Mobile Field Service in E-Business Suite versions 12.2.3 through 12.2.15 has a flaw in its Internal Operations component. A low-privileged user with network access over HTTP can take over the product, with high confidentiality, integrity and availability impact.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Oracle Mobile Field Service (E-Business Suite) affected >= 12.2.3, <= 12.2.15 fixed ?

## How to check

Confirm your EBS release is 12.2.3-12.2.15 and Oracle Mobile Field Service is installed/licensed (check the product list in Oracle Applications Manager License Manager or AD registered products). Then check whether the October 2026 CPU EBS patches are applied (adop/AD patch history for the patch IDs in the MOS EBS patch availability document). Exact patch number: unknown, requires MOS.

## Fix

Apply the Oracle E-Business Suite patches from the October 2026 Critical Patch Update (patch availability document on My Oracle Support); patch number unknown from public sources. Until patched, restrict HTTP access to EBS from untrusted networks.

## Timeline

- 2026-10-23T21:57:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101635
- 2026-10-24T00:08:23+00:00 analyst — Oracle Oct 2026 CPU (cpuoct2026) lists EBS 12.2.3-12.2.15; the public page and risk-matrix text give no patch number or enabling setting; patch ID is in the EBS patch availability document on My Oracle Support (login needed). No exploitation or PoC found; X not searched.

## Documents

- [advisory] Oracle Critical Patch Update Advisory - October 2026 https://www.oracle.com/security-alerts/cpuoct2026.html
- [describes] CVE Record: CVE-2026-101635 https://www.cve.org/CVERecord?id=CVE-2026-101635

## From the sources

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).

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