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Oracle Engineering EUVDEUVD-2026-106213

| CVE-2026-101813 HIGH
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-m922-5h5x-fj87
8.8
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
    Authenticate with low-privileged EBS account
  2. Delivery
    Send crafted HTTP request to Change Management
  3. Exploit
    Exploit flaw in Oracle Engineering component
  4. Execution
    Gain full control of application
  5. Impact
    Takeover of Oracle Engineering (C/I/A)

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 a valid low-privileged Oracle E-Business Suite account (PR:L) with network HTTP access to the Oracle Engineering product's Change Management component on an affected instance (versions 12.2.3 through 12.2.15). No user interaction is needed and the vulnerability is described as easily exploitable, so once authenticated the attacker faces low complexity. The primary limiting factor is the authentication requirement - the attacker cannot be fully anonymous - meaning realistic risk is highest where EBS is internet-exposed or where low-privilege accounts are easy to obtain; unpatched versions outside 12.2.3-12.2.15 are not in scope per the advisory.

Impact

This is a genuine priority for organizations running Oracle E-Business Suite. The CVSS 3.1 base score of 8.8 is driven by a network attack vector (AV:N over HTTP), low attack complexity (AC:L, described as 'easily exploitable'), no user interaction (UI:N), and full compromise of confidentiality, integrity, and availability (C:H/I:H/A:H) resulting in complete takeover of Oracle Engineering. The one meaningful barrier is PR:L - the attacker must hold a low-privileged authenticated EBS account, so this is not fully unauthenticated. Key exploitation-maturity signals are absent: no CISA KEV listing, no public POC, and no EPSS score was provided in the input, so real-world exploitation likelihood cannot be quantified from this data. The input Tags label this 'Information Disclosure,' which conflicts with the description's explicit 'takeover' outcome and the I:H/A:H impact - treat the tag as understated and the impact as full compromise. Net: high intrinsic severity and low complexity make this important to patch promptly, but the authentication requirement and lack of any observed exploitation suggest it is not (yet) a mass-exploitation emergency.

Exploit ScenarioDerived

An attacker who has obtained any low-privileged Oracle E-Business Suite user account sends crafted HTTP requests to the Oracle Engineering Change Management component on an exposed EBS instance (versions 12.2.3-12.2.15). Because the flaw is network-reachable and easily exploitable with no user interaction, a single authenticated session can be escalated into full takeover of Oracle Engineering. No public exploit code was identified at the time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Authenticated low-privileged users can achieve full takeover of the Oracle Engineering Change Management component in Oracle E-Business Suite 12.2.3 through 12.2.15 over HTTP, with high impact to confidentiality, integrity, and availability (CVSS 8.8, PR:L/AC:L/UI:N). The flaw is easily exploitable once a valid EBS account is obtained; no public exploit code or confirmed active exploitation is identified in the available intelligence. Risk is greatest for internet-exposed EBS instances or environments where low-privilege accounts are readily available.

RemediationAI

Apply the Oracle October 2026 Critical Patch Update fix for Oracle Engineering/Change Management on all EBS instances running 12.2.3 through 12.2.15; the advisory is at https://www.oracle.com/security-alerts/cpuoct2026.html and the exact EBS patch version is not specified in the provided data. If patching must be staged, reduce exposure by restricting HTTP access to the Oracle Engineering Change Management endpoints to trusted networks or VPN, disabling unnecessary self-service and low-privilege accounts, and monitoring for anomalous Change Management activity. These controls lower the attack surface but do not remove the flaw and can disrupt legitimate remote users and integrations; account restrictions may break business workflows.

Affected VersionsENISA

Oracle Engineering 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_engineering 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 E-Business Suite is a suite of enterprise applications, and Oracle Engineering includes Change Management workflows exposed through HTTP. The CVSS vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H indicates network reachability, low privileges, no user interaction, no scope change, and full confidentiality, integrity, and availability impact. NVD does not assign a CWE, and the vendor advisory does not disclose the root-cause class in the provided data, so the technical flaw is best characterized as an authorization or access-control weakness in the Change Management component that lets a low-privileged user perform actions beyond their intended role. Affected releases are 12.2.3 through 12.2.15 per EUVD and the Oracle October 2026 Critical Patch Update.

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Severity by source

Vendor (oracle) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Easily exploitable over HTTP (AV:N/AC:L) by a low-privileged authenticated user (PR:L) with no interaction, yielding full takeover (C:H/I:H/A:H).

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Engineering product of Oracle E-Business Suite (component: Change Management). 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 Engineering. Successful attacks of this vulnerability can result in takeover of Oracle Engineering. 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).

Executive ViewAI

Why It Matters

Oracle E-Business Suite 12.2.3 through 12.2.15 contains a high-severity flaw in the Engineering Change Management component that allows any authenticated user with only low-level privileges to seize full control of that module, compromising the confidentiality, integrity, and availability of the data it governs. Because Engineering Change Management underpins engineering change orders and product structures, a single compromised help-desk or contractor account could translate into fraudulent or corrupted change records that propagate into manufacturing, supply chain, and financial reporting. Leadership should care less about the technical mechanism than about the breadth of trust the ERP places in ordinary user accounts and the fact that no vendor patch is yet available.

Business Impact: High
Compensating Controls

No vendor patch is available, so mitigate by removing internet exposure of EBS 12.2.3-12.2.15 instances and fronting them with VPN or zero-trust access, enforcing MFA at the identity provider, aggressively pruning and monitoring low-privilege and shared accounts, restricting Engineering Change Management responsibilities to the minimum necessary population, enabling and alerting on application audit trails for change-order activity, and applying the next Oracle Critical Patch Update immediately upon release.

Threat Intelligence Overview

EPSS Score
0.4%
Top 62% exploitable
Prevalence
High
Oracle E-Business Suite is a widely deployed enterprise ERP platform
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 HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
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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