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Oracle General Ledger EUVDEUVD-2026-106218

| CVE-2026-101819 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-v547-x92r-r4w3
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
    Authenticate with low-privilege EBS account
  2. Exploit
    Send crafted HTTP request to General Ledger
  3. Execution
    Bypass data authorization in Internal Operations
  4. Impact
    Read unauthorized General Ledger financial data

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

Requires an authenticated low-privilege Oracle E-Business Suite account with HTTP network access to the General Ledger application (Internal Operations component) on affected versions 12.2.3 through 12.2.15; no user interaction or elevated privileges are needed. Exploitation is limited by the authentication prerequisite (PR:L - the attacker must already possess valid credentials) and by scope: impact is confidentiality-only (unauthorized read of General Ledger data), with no integrity or availability effect. The flaw is confined to the EBS 12.2.x branch within the stated version range.

Impact

This is a moderate-risk, not top-priority, vulnerability despite affecting a sensitive ERP component. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 6.5) indicates a network-reachable, low-complexity attack requiring low privileges (PR:L) and no user interaction, with a pure confidentiality impact (C:H, I:N, A:N) - an authenticated information-disclosure flaw rather than a code-execution or integrity/availability issue. No EPSS score, KEV listing, or public POC was supplied, so there is no signal of active or imminent exploitation; status is 'no public exploit identified at time of analysis.' There is a notable conflict in the input: the 'Authentication Bypass' tag contradicts the CVSS PR:L requirement, which explicitly assumes the attacker already holds valid low-privilege credentials - treat the tag as suspect and rely on the vendor vector, which does NOT describe an unauthenticated bypass. Net assessment: a genuine confidentiality concern for organizations running affected EBS versions with many internal/portal users, but the authentication requirement and confidentiality-only impact keep it below critical priority absent exploitation evidence.

Exploit ScenarioDerived

An attacker with a low-privilege Oracle E-Business Suite account (or a compromised self-service/portal user) sends crafted HTTP requests to the General Ledger Internal Operations component. Because the attack is network-based with low complexity and no user interaction, the attacker reads financial data they are not authorized to see, resulting in disclosure of critical General Ledger data. No public exploit code is known at this time.

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 General Ledger within Oracle E-Business Suite 12.2.3 through 12.2.15 can expose critical financial records to an authenticated low-privilege user who can reach the Internal Operations component over HTTP. The flaw scores 6.5 on CVSS 3.1 with confidentiality-only impact (C:H/I:N/A:N), requires a valid PR:L account and no user interaction, and does not affect integrity or availability. No public exploit code or confirmed active exploitation was identified at time of analysis, and Oracle's October 2026 Critical Patch Update advisory is the reference for fixes.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026 to E-Business Suite 12.2.x as directed in https://www.oracle.com/security-alerts/cpuoct2026.html; patch availability is confirmed by that vendor advisory, though no single exact EBS patch version is stated in the input. Until patched, restrict HTTP access to the General Ledger Internal Operations component to trusted networks or via a reverse proxy/WAF (trade-off: may block legitimate remote users), review and minimize low-privilege General Ledger responsibilities and accounts (trade-off: administrative effort), and monitor for anomalous read access to General Ledger data by low-privileged users. If Internal Operations is not required, consider disabling or limiting its exposure, accepting loss of that functionality.

Affected VersionsENISA

Oracle General Ledger 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_general_ledger 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 ERP application suite, and General Ledger is its core financial ledger module. The affected Internal Operations component is reachable over HTTP and, per the CVSS vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, can be exploited by a low-privileged authenticated user without user interaction. The root cause is an access-control/authorization weakness (CWE not provided) that permits read access to critical General Ledger data beyond the attacker's intended privileges; there is no integrity or availability impact and scope is unchanged. The supplied 'Authentication Bypass' tag should not be read as pre-authentication: the authoritative assessment requires valid low-privilege credentials, so any bypass occurs within authenticated sessions.

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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; requires a valid low-privilege EBS account (PR:L); impact is unauthorized data read only, so C:H with 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 General Ledger 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 General Ledger. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle General Ledger 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 in large organizations
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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