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Oracle HRMS EUVDEUVD-2026-106302

| CVE-2026-83384 MEDIUM
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-mv3q-9p57-h524
6.5
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 low-privilege EBS account
  2. Exploit
    Reach HRMS Internal Operations over HTTP
  3. Execution
    Send crafted request exploiting access flaw
  4. Impact
    Retrieve unauthorized HRMS confidential data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

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

Exploitation Conditions

Requires a valid low-privilege authenticated account (PR:L) on an Oracle E-Business Suite deployment running Oracle HRMS (US) versions 12.2.3 through 12.2.15, with the Internal Operations component reachable over HTTP/HTTPS. No special non-default feature or user interaction is needed and attack complexity is low, but the authentication requirement limits exposure to users who can already log in to EBS; instances not exposing the HRMS HTTP interface to untrusted users, or already patched to a fixed level, are not exploitable. Impact is confined to unauthorized disclosure of HRMS data (no data modification or service disruption).

Impact

This is a moderate-severity confidentiality issue (CVSS 3.1 base 6.5) in Oracle HRMS (US) within Oracle E-Business Suite, scored AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - network-reachable over HTTP, low attack complexity, but requiring low-level privileges (an authenticated EBS account), no user interaction, unchanged scope, and impacting confidentiality only (C:H, I:N, A:N). There is no public exploit identified at time of analysis, no EPSS score provided, and no CISA KEV listing, so there are no signals of active or imminent widespread exploitation - the risk is primarily unauthorized read access to HRMS data by an already-authenticated low-privilege user rather than remote unauthenticated takeover. A notable conflict exists in the metadata: the input carries an 'Authentication Bypass' tag, yet both the description ('low privileged attacker') and the CVSS vector (PR:L) indicate exploitation requires valid credentials, not a bypass of authentication - this tag should be verified and treated as likely mislabeled. Because HRMS stores sensitive personnel/payroll data, the C:H rating is credible, but the requirement for authenticated access and the absence of integrity/availability impact make this a patch-in-normal-cycle priority rather than an emergency, absent any exploitation evidence.

Exploit ScenarioDerived

An attacker who already holds a low-privilege authenticated account on an internet- or intranet-reachable Oracle E-Business Suite instance sends crafted HTTP requests to the Internal Operations component of Oracle HRMS (US). Exploitation is low-complexity and requires no user interaction, allowing the attacker to read critical HRMS data they should not be able to access. No public proof-of-concept is known at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Unauthorized access to critical Oracle HRMS (US) data is possible for low-privileged authenticated attackers who can reach the Internal Operations component over HTTP in Oracle E-Business Suite 12.2.3 through 12.2.15. Successful exploitation yields high confidentiality impact only, with no integrity or availability effect, and requires a valid EBS account but no user interaction and low attack complexity. At time of analysis, no public exploit identified, and no KEV or EPSS data was provided.

RemediationAI

Apply the Oracle E-Business Suite HRMS fix associated with Oracle's October 2026 Critical Patch Update advisory at https://www.oracle.com/security-alerts/cpuoct2026.html; patch availability is indicated by the vendor advisory, but the input does not specify an exact fixed version, so confirm the applicable EBS/HRMS patch level with Oracle support. Until patched, reduce exposure by restricting network access to HRMS Internal Operations HTTP endpoints to trusted users and networks (side effect: limits legitimate remote HRMS access), removing or disabling unnecessary low-privilege EBS accounts (side effect: reduced business access for those users), and monitoring HRMS HTTP requests for anomalous data access by low-privileged users. Because exploitation requires a valid low-privilege account, enforcing least privilege and strong authentication on EBS accounts is a targeted compensating control, but it does not eliminate the underlying data-exposure flaw. No vendor-released patch version is identified in the provided data; absence of that detail is not confirmation that no patch exists.

Affected VersionsENISA

Oracle HRMS (US) 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_hrms_us 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's HRMS (US) module includes an Internal Operations component exposed through the application's HTTP interface. The assessed CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N indicates network reachability, low attack complexity, low privileges, no user interaction, unchanged scope, and confidentiality-only impact. No CWE identifier or CPE mapping was provided, so the underlying defect class cannot be confirmed from the available data; the practical issue is that an authenticated low-privilege user can obtain HRMS data beyond intended scope. Although the input carries an 'Authentication Bypass' tag, the authoritative assessment and CVSS vector require PR:L, so this should not be interpreted as unauthenticated access. Exploitation requires the HRMS HTTP interface to be reachable and a valid low-privilege EBS account; it does not imply unauthenticated access, code execution, data modification, or denial of service.

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Severity by source

Vendor (oracle) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Network HTTP access and low complexity, but a valid low-privilege account is required (PR:L); impact is confidentiality-only (C:H, I:N, A:N) with unchanged scope.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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
None
Availability
None

DescriptionCVE.org

Vulnerability in the Oracle HRMS (US) 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 HRMS (US). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle HRMS (US) accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
High
Oracle E-Business Suite is widely deployed enterprise ERP/HR software
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 0.4%
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
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.

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

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