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Oracle Payroll EUVDEUVD-2026-105950

| CVE-2026-101539 MEDIUM
2026-10-20 secalert_us@oracle.com GHSA-97w2-v79w-52gh
6.5
CVSS 3.1 · NVD
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Attack ChainAIDerived

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

  1. Access
    Authenticate with low-privilege EBS account
  2. Exploit
    Send crafted HTTP request to Payroll component
  3. Execution
    Trigger unauthorized data access in Internal Operations
  4. Impact
    Exfiltrate sensitive payroll data

Vulnerability Assessment

Exploitation Conditions

Exploitation requires an authenticated low-privileged account on Oracle E-Business Suite with network HTTP access to the Oracle Payroll Internal Operations component on affected versions 12.2.3 through 12.2.15; no user interaction is needed (UI:N) and attack complexity is low (AC:L). The key limiting factor is the authentication prerequisite (PR:L) - an attacker must already hold valid EBS credentials, so this is not remotely exploitable by fully unauthenticated attackers. Impact is confined to confidentiality (unauthorized read of Payroll data); integrity and availability are unaffected.

Impact

This is a moderate, authenticated information-disclosure flaw rather than a top-tier emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 6.5) confirms network-reachable, low-complexity exploitation but requires an already-authenticated low-privileged account (PR:L) and yields only confidentiality impact (C:H, I:N, A:N) - no data tampering or availability loss. No EPSS score, CISA KEV listing, or public POC is present in the supplied data, so there is no signal of active or probable near-term exploitation. The signals are internally consistent except for the 'Authentication Bypass' tag, which conflicts with PR:L: a genuine auth bypass would normally imply PR:N, so this tag appears mislabeled - Oracle's own text describes 'low privileged attacker' access, not a bypass. Net: a real patch-cycle priority for organizations running affected Oracle Payroll, but not an exploit-now crisis given the authentication prerequisite and confidentiality-only impact.

Exploit ScenarioDerived

A low-privileged user with a valid Oracle E-Business Suite account (for example a routine self-service or internal portal user) sends crafted HTTP requests to the Oracle Payroll Internal Operations component. Exploiting the flaw, they read payroll data they are not authorized to see - potentially all Oracle Payroll accessible data including sensitive compensation and personal information. No public exploit code is identified at time of analysis, and attack complexity is low once authenticated.

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 Payroll 12.2.3 through 12.2.15 can disclose sensitive payroll records to an authenticated low-privileged E-Business Suite user who can reach the Internal Operations component over HTTP. The flaw is rated CVSS 6.5 with high confidentiality impact and no integrity or availability impact; exploitation requires valid credentials (PR:L) but no user interaction. No public exploit code or CISA KEV entry was identified in the supplied intelligence at time of analysis.

RemediationAI

Patch availability is documented through the Oracle Critical Patch Update for October 2026 at https://www.oracle.com/security-alerts/cpuoct2026.html; apply the applicable Oracle E-Business Suite 12.2.x patch level for Oracle Payroll, because no separate exact fix version was provided in the supplied data. Until the patch is applied, restrict network access to the Payroll Internal Operations HTTP endpoints to trusted users and network segments, remove or disable unnecessary low-privileged EBS accounts, and audit payroll-data access for anomalous reads by low-privileged users; these controls reduce exposure but do not eliminate the underlying flaw, and network restrictions may disrupt legitimate payroll integrations. Because exploitation requires only low privileges, enforce least privilege and review accounts that can reach the affected component.

Affected VersionsENISA

Oracle Payroll 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_payroll 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

The affected technology is Oracle E-Business Suite, with the issue located in the Internal Operations component of the Oracle Payroll product. The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N describes a network-reachable, low-complexity information-disclosure flaw that requires a low-privileged authenticated account and no user interaction, with scope unchanged and impact limited to confidentiality. No CWE mapping was supplied, so the precise coding or design defect cannot be confirmed from the available data; operationally, the issue allows an authenticated user to read payroll data beyond their intended authorization. The supplied tags include 'Authentication Bypass' and 'Oracle', but the authoritative assessment and CVSS vector specify PR:L, so this should not be treated as an unauthenticated bypass. No CPE identifiers were included in the supplied data; the affected version range is corroborated by EUVD as Oracle Payroll 12.2.3 through 12.2.15.

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Severity by source

NVD 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; PR:L because a valid low-privilege EBS account is required; confidentiality-only impact per Oracle, so I:N and 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 NVD.

CVSS VectorNVD

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

DescriptionNVD

Vulnerability in the Oracle Payroll 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 Payroll. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Payroll 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 70% 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.

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