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Oracle HRMS EUVDEUVD-2026-106304

| CVE-2026-83386 MEDIUM
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-v2jv-rggr-446j
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-privileged HRMS account
  2. Exploit
    Send crafted HTTP request to Internal Operations
  3. Execution
    Bypass data access controls
  4. Impact
    Exfiltrate confidential HRMS 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-privileged Oracle HRMS (US) account (PR:L) with network HTTP access to the Internal Operations component; affected deployments are Oracle E-Business Suite HRMS versions 12.2.3 through 12.2.15. No user interaction and low attack complexity, so any authenticated foothold suffices. The key limiting factor is the authentication prerequisite - the attacker must already hold credentials, so unauthenticated internet-facing exploitation is not possible; impact is read-only (confidentiality), with no write or denial-of-service capability.

Impact

This is a moderate-risk confidentiality issue that should be patched on a normal Oracle Critical Patch Update cadence rather than treated as an emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, 6.5 MEDIUM) describes a network-reachable, low-complexity attack that nonetheless requires low-level privileges (PR:L) - i.e. the attacker must already hold a valid, if unprivileged, Oracle HRMS account. Impact is confined to confidentiality (C:H, I:N, A:N): full read access to HRMS data, but no integrity or availability damage and no scope change (S:U). No EPSS score, CISA KEV listing, or public proof-of-concept is present in the supplied data, so there is no current signal of active or imminent exploitation - no public exploit identified at time of analysis. The signals are internally consistent except for the metadata: the input 'Authentication Bypass' tag conflicts with the CVSS PR:L requirement, which explicitly demands existing authentication - verify this tag, as the flaw is an authenticated data-access issue, not an auth bypass. Net assessment: a real but non-urgent priority, elevated by the sensitivity of HR/PII data in HRMS and the broad affected range (12.2.3-12.2.15), tempered by the authentication prerequisite and absence of exploitation evidence.

Exploit ScenarioDerived

An attacker possessing a low-privileged Oracle HRMS (US) user account sends crafted HTTP requests to the Internal Operations component, abusing missing or broken access controls to read HR data they are not authorized to see - potentially employee PII, compensation, or other critical HRMS records. No user interaction is required and attack complexity is low, so a single valid foothold account is sufficient. No public exploit code is identified 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

Oracle HRMS (US) 12.2.3 through 12.2.15 allows a low-privileged authenticated attacker with HTTP network access to the Internal Operations component to read critical HR data without user interaction. The assessed CVSS 3.1 score is 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N), reflecting high confidentiality impact only, and no public exploit has been identified at time of analysis. This moderate-risk issue warrants normal Oracle Critical Patch Update cadence rather than emergency response.

RemediationAI

Apply the Oracle Critical Patch Update (October 2026) for Oracle E-Business Suite HRMS (US) 12.2.3 through 12.2.15; the provided data does not specify exact patched build numbers, so confirm the applicable patch from https://www.oracle.com/security-alerts/cpuoct2026.html. If patch timing slips, reduce exposure by restricting network access to the HRMS Internal Operations endpoints to trusted networks or jump hosts, and by reviewing and removing unnecessary low-privileged HRMS accounts; both controls can disrupt legitimate HR users and integrations, so scope them to the affected component and test business flows. Monitor HRMS access logs for anomalous read patterns from low-privileged accounts, since the impact is read-only confidentiality exposure.

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 Oracle HRMS (US) module includes an Internal Operations component that processes HR data. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) indicates a network-reachable, low-complexity flaw that requires a valid low-privileged account and no user interaction, with high confidentiality impact and no integrity or availability impact. CWE is not supplied, and no CPE strings were provided; the 'Authentication Bypass' tag should not be read as unauthenticated exploitation because the assessed vector explicitly has PR:L. The behavior is consistent with an access-control or information-exposure weakness in the Internal Operations component that lets an authenticated user reach data beyond their intended authorization.

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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 vector with low complexity and no user interaction, but a valid low-privileged account is required (PR:L); impact is confidentiality-only (C:H, I:N, A:N).

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
Medium
Oracle EBS HRMS is common in large enterprises but not universally deployed
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

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

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