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Oracle MRP EUVDEUVD-2026-105957

| CVE-2026-101546 HIGH
2026-10-20 secalert_us@oracle.com GHSA-mfmv-jwhf-m27j
7.5
CVSS 3.1 · NVD
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Attack ChainAIDerived

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

  1. Access
    Obtain low-privilege EBS account
  2. Exploit
    Send crafted HTTP request to MRP
  3. Execution
    Exploit Internal Operations flaw (high complexity)
  4. Impact
    Achieve full takeover of MRP product

Vulnerability Assessment

Exploitation Conditions

Requires a valid low-privileged Oracle E-Business Suite account (PR:L) with network/HTTP reach to the Materials Requirement Planning Internal Operations component on affected versions 12.2.3-12.2.15. Exploitation is explicitly rated 'Difficult' by Oracle (AC:H), implying additional non-trivial conditions such as specific timing, state, or environmental factors must be met; no end-user interaction is needed (UI:N). The authentication requirement and high complexity are the primary limiting factors, meaningfully reducing the pool of capable attackers to those with existing (even minimal) EBS access.

Impact

Moderate-but-not-emergency priority. The CVSS 3.1 vector (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H, 7.5) is internally consistent with the description: network/HTTP vector, but Oracle explicitly rates it 'Difficult to exploit' (AC:H), and it requires an existing low-privileged account (PR:L), not an anonymous attacker. The payoff if exploited is severe - full 'takeover' of the Materials Requirement Planning product with high confidentiality, integrity, and availability impact. However, no EPSS score, no CISA KEV listing, and no public POC were supplied, so there is no evidence of active or imminent exploitation; the combination of high attack complexity plus required authentication realistically suppresses mass exploitation. Note a signal conflict: the input Tag labels this 'Information Disclosure,' but the CVSS vector and description indicate full C/I/A compromise (takeover), not mere disclosure - treat the tag as inaccurate and the impact as full takeover. This is a patch-in-normal-cycle item for Oracle EBS operators (prioritize if internet-facing or with many low-trust internal users), not a drop-everything zero-day.

Exploit ScenarioDerived

An attacker who already holds a low-privilege Oracle E-Business Suite account sends specially crafted HTTP requests to the Materials Requirement Planning (Internal Operations) component and, after overcoming the high-complexity conditions, escalates to full control of the MRP product. No public exploit code was identified, and the high attack complexity means exploitation is non-trivial and may require specific timing or environmental conditions. Success yields complete compromise of the targeted MRP data and functionality.

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

Takeover of Oracle Materials Requirement Planning (MRP) in Oracle E-Business Suite 12.2.3-12.2.15 is possible for a low-privileged attacker with network access via HTTP to the Internal Operations component, though the high attack complexity makes exploitation difficult. Successful attacks provide high confidentiality, integrity, and availability impact; authentication requirements and environmental timing/state conditions limit the attack surface. No public exploit identified at time of analysis, and the primary vendor reference is Oracle's October 2026 Critical Patch Update advisory.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026 referenced at https://www.oracle.com/security-alerts/cpuoct2026.html; the provided data does not specify an exact patched 12.2.x version, so confirm the fixed build in Oracle's CPU advisory before upgrading. Until patching is complete, restrict network/HTTP access to the MRP Internal Operations component to trusted users and networks, enforce least privilege so only necessary accounts can reach EBS MRP functions, and monitor for unusual low-privileged activity in the MRP module. These compensating controls reduce exposure but do not remove the underlying flaw; restricting access may disrupt legitimate planning workflows, and least-privilege changes require validation against business roles.

Affected VersionsENISA

Oracle Materials Requirement Planning 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_materials_requirement_planning 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 an enterprise resource planning platform, and Oracle Materials Requirement Planning is its planning and scheduling module. The flaw sits in the Internal Operations component that is reachable over HTTP. No CWE was assigned in the provided data, so the precise root-cause class is not disclosed, but the CVSS vector (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) describes an authenticated, network-reachable issue requiring non-trivial preconditions to trigger. The AC:H rating is consistent with a state-dependent or timing-sensitive logic flaw in the MRP internal operations workflow rather than a simple injection or missing authentication check. Affected deployments are E-Business Suite 12.2.3 through 12.2.15; no CPE strings were provided in the intelligence feed.

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 7.5 HIGH

Network HTTP vector (AV:N), vendor-stated difficult exploitation (AC:H), requires a low-privilege account (PR:L), no user interaction, and full takeover yields C:H/I:H/A:H.

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

Primary rating from NVD.

CVSS VectorNVD

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

DescriptionNVD

Vulnerability in the Oracle Materials Requirement Planning product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Materials Requirement Planning. Successful attacks of this vulnerability can result in takeover of Oracle Materials Requirement Planning. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle E-Business Suite 12.2.3-12.2.15 Materials Requirement Planning could be taken over through its Internal Operations HTTP component, exposing planning data and disrupting supply-chain and financial planning. The issue is high severity but difficult to exploit, and no public exploit identified at time of analysis; leadership should prioritize exposure reduction because MRP supports critical business planning and a compromise could affect confidentiality, integrity, and availability.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; restrict network access to Oracle E-Business Suite 12.2.3-12.2.15 MRP/Internal Operations HTTP endpoints via segmentation and allowlisting, enforce least privilege, monitor for anomalous activity, and track Oracle's October 2026 Critical Patch Update advisory for remediation.

Threat Intelligence Overview

EPSS Score
0.4%
Top 70% exploitable
Prevalence
Medium
Oracle EBS ERP module, common in large enterprises but not everywhere
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

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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