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Oracle Mobile Field Service EUVDEUVD-2026-106078

| CVE-2026-101674 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-5745-4rmg-gj8c
6.7
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain high-privilege logon to EBS host
  2. Delivery
    Access Internal Operations component
  3. Exploit
    Exploit local flaw in Mobile Field Service
  4. Execution
    Execute actions with elevated context
  5. Impact
    Full takeover of Mobile Field Service

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to already have a high-privileged account (PR:H) with interactive logon to the infrastructure/server where Oracle Mobile Field Service (within Oracle E-Business Suite, Internal Operations component) runs - the vector is local (AV:L), not network-reachable. This affects EBS versions 12.2.3 through 12.2.15. No end-user interaction is needed (UI:N) and attack complexity is low (AC:L), but the combined requirement of local host access plus pre-existing high privileges is the dominant limiting factor, restricting realistic exploitation to trusted insiders or attackers who have already compromised a privileged account on the host.

Impact

This is a moderate-severity, high-barrier vulnerability rather than a mass-exploitation priority. The CVSS 3.1 vector (AV:L/AC:L/PR:H/UI:N/S:U) is internally consistent with the description: exploitation requires local logon to the infrastructure where Oracle Mobile Field Service executes AND high existing privileges (PR:H), which sharply limits the realistic attacker population to insiders or an attacker who has already achieved privileged foothold. Despite that high barrier, Oracle rates the flaw as 'easily exploitable' with full C:H/I:H/A:H impact resulting in product takeover, so the 6.7 score reflects severe impact gated behind a demanding access prerequisite. No EPSS score, CISA KEV listing, or public POC is present in the provided data, so there is no signal of active or imminent widespread exploitation. The signals do not conflict - they consistently point to a damaging-but-hard-to-reach issue. Note the 'Information Disclosure' tag understates the impact: CVSS records C:H/I:H/A:H (full takeover), not confidentiality loss alone; verify categorization against Oracle CPU October 2026. No CWE is assigned in the input, so the precise weakness class is unconfirmed.

Exploit ScenarioDerived

An attacker who already holds high privileges and can log on to the server hosting Oracle Mobile Field Service abuses the flaw in the Internal Operations component to fully compromise the product, gaining control over its confidentiality, integrity, and availability. No user interaction is required and attack complexity is low. No public exploit code has been identified at the time of analysis, so exploitation would likely be performed by a knowledgeable insider or an attacker who has already breached the host.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

A local privilege-escalation-style flaw in Oracle Mobile Field Service (part of Oracle E-Business Suite, Internal Operations component) lets an attacker who already holds a high-privileged account on the host where the service runs take full control of the affected component, with high impact to confidentiality, integrity and availability. Only E-Business Suite deployments running versions 12.2.3 through 12.2.15 are affected, and because the vector is local (AV:L) with PR:H, the practical exposure is limited to trusted insiders or attackers who have already compromised a privileged host account; no public exploit code or active exploitation has been identified at time of analysis. Oracle addresses it in its October 2026 Critical Patch Update, so patch availability exists via the vendor advisory.

RemediationAI

Apply the Oracle October 2026 Critical Patch Update for Oracle E-Business Suite to bring Oracle Mobile Field Service to a patched level; the CPU advisory at https://www.oracle.com/security-alerts/cpuoct2026.html lists the supported versions (12.2.3 through 12.2.15) and the corresponding patches, so follow the EBS patching instructions in that advisory and confirm the applied version is outside the affected range. Where patching must be staged, compensating controls should target the prerequisites this flaw depends on: reduce the population holding highly privileged OS/application accounts on the EBS application tier and enforce least privilege and multi-factor authentication for those accounts (trade-off: more restricted operations workflows and admin overhead); restrict interactive logon to the EBS database and application servers to a small, monitored set of jump hosts (trade-off: reduced operational flexibility for administrators); and enable auditing and alerting on privileged local sessions and on activity in the Mobile Field Service Internal Operations component (trade-off: added log volume and tuning effort). Severely limiting who can log on to the host, and reviewing existing high-privilege accounts for unnecessary entitlements, removes the AV:L/PR:H precondition that makes this issue exploitable.

Affected VersionsENISA

Oracle Mobile Field Service 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_mobile_field_service no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Oracle Mobile Field Service is a module within Oracle E-Business Suite's field service functionality, and CVE-2026-101674 is scoped to its "Internal Operations" component. The CVSS 3.1 vector AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H describes the root risk precisely: the attack surface is not remotely reachable - the attacker must already have interactive logon to the underlying infrastructure/server hosting the module, and must hold a highly privileged account there. Given those prerequisites, though, exploitation is low-complexity and requires no victim interaction, yielding a full compromise of the component's confidentiality, integrity and availability within an unchanged scope. No CWE classification was supplied by the vendor, so the specific underlying weakness class (for example an authorization or input-handling defect in an internal operation) cannot be confirmed from the available data; the authoritative characterization remains the assessed CVSS vector and the vendor's statement of takeover of the component. The affected code ships as part of EBS 12.2.x application-tier deployments, meaning the vulnerable component is reachable by anyone able to execute privileged operations on that application server.

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Severity by source

Vendor (oracle) PRIMARY 6.7 MEDIUM
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 6.7 MEDIUM

Description confirms local logon (AV:L) and high existing privileges (PR:H) with no user interaction; takeover justifies C:H/I:H/A:H and scope remains unchanged.

3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

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 high privileged attacker with logon to the infrastructure where Oracle Mobile Field Service executes 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 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Prevalence
Medium
Oracle EBS is common in large enterprises; Mobile Field Service is a specific module
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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