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Oracle E-Business Suite CVE-2026-101690

| EUVDEUVD-2026-106094 HIGH
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-43h5-hwh3-8p97
8.2
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
    Identify exposed SOA Gateway endpoint
  2. Delivery
    Send crafted unauthenticated HTTP request
  3. Exploit
    Bypass authentication on SOA Provider
  4. Execution
    Read critical EBS data and perform limited writes
  5. Impact
    Exfiltrate sensitive business 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

Exploitation requires that the Oracle E-Business Suite Integrated SOA Gateway (SOA Provider component) be deployed and its HTTP endpoint reachable by the attacker; this integration gateway is an optional EBS feature and is not always enabled, which is the primary limiting factor. Affected deployments are EBS 12.2.3 through 12.2.15. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no authentication, no user interaction, and no special non-default configuration beyond having the gateway enabled are needed, so where the gateway is exposed, default configurations are exploitable by remote unauthenticated attackers. Network exposure of the gateway (internet-facing or reachable from an attacker's network position) is the key determinant of realistic risk.

Impact

This is a genuine high priority despite the absence of exploitation telemetry. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) is the worst-case access profile: remote, network-reachable over HTTP, low attack complexity, no privileges, and no user interaction - meaning any attacker who can reach the SOA Gateway endpoint can attempt exploitation against default-affected versions. The 8.2 score is driven by high confidentiality impact (C:H - full read of all SOA Gateway accessible data) plus limited integrity impact (I:L) and no availability impact (A:N); Oracle's 'Authentication Bypass' tag reinforces the PR:N reading. No EPSS score, SSVC decision, KEV listing, or POC indicator was supplied in the input, so probabilistic and active-exploitation signals cannot be weighed - this is a data gap, not evidence of low risk. Oracle E-Business Suite's SOA/integration tier has a strong historical track record of mass exploitation (the 2025 Oracle EBS campaigns), so an unauthenticated data-exposure flaw in this exact component warrants treating it as a high-value target even without confirmed in-the-wild activity. Bottom line: a real priority on exposure grounds, with the caveat that exploitation likelihood is currently unquantified due to missing EPSS/KEV/POC data.

Exploit ScenarioDerived

An attacker locates an internet- or intranet-exposed Oracle E-Business Suite Integrated SOA Gateway endpoint and sends crafted unauthenticated HTTP requests to the SOA Provider component. Because no authentication or user interaction is required and complexity is low, the attacker retrieves critical business data accessible to the gateway and performs limited unauthorized writes. No public exploit was identified in the provided data, but the low-complexity unauthenticated profile makes reliable exploitation straightforward once the mechanism is understood.

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

Unauthenticated HTTP access to the Oracle E-Business Suite Integrated SOA Gateway can expose critical data and permit limited unauthorized data changes in EBS 12.2.3 through 12.2.15, because the SOA Provider component does not adequately enforce access controls. The issue is an authentication bypass rated CVSS 8.2 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N), so where the optional gateway is deployed and reachable, default configurations are remotely exploitable without credentials or user interaction. No public exploit identified at time of analysis; practical risk is driven by whether the gateway is enabled and network-exposed.

RemediationAI

Apply the Oracle Critical Patch Update referenced in Oracle's October 2026 security advisory (https://www.oracle.com/security-alerts/cpuoct2026.html); the provided data does not give an exact patched version or build number, so confirm the applicable EBS 12.2.x patch level in the advisory before deployment. If the gateway cannot be patched immediately, reduce exposure by blocking untrusted network access to the Integrated SOA Gateway SOA Provider HTTP endpoints at firewalls, load balancers, or reverse proxies and allow only known integration clients; the trade-off is that legitimate external integrations will fail until their source ranges are allowlisted. If the gateway is not required, disable the optional Integrated SOA Gateway feature, accepting that dependent SOA integrations will stop working. Do not rely on authentication as a compensating control because the assessed vector is PR:N (unauthenticated). Monitor gateway access logs for anomalous unauthenticated requests while remediation is pending.

Affected VersionsENISA

Oracle E-Business Suite Integrated SOA Gateway 12.2.3 ≤12.2.15

Affected Packages

euvd oracle_e_business_suite_integrated_soa_gateway 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 Integrated SOA Gateway is an optional integration component that exposes EBS business services over HTTP/SOAP through its SOA Provider. The supplied data identifies the root cause only by the 'Authentication Bypass' tag; no CWE was provided, so the weakness class is best treated as missing or improper authentication/authorization enforcement on the SOA Provider HTTP interface rather than a specific memory-safety or injection class. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N) indicates the attacker reaches the service over the network with low complexity, no privileges, and no user interaction, and that the flaw is scoped to the gateway with high confidentiality and low integrity impact. No CPE strings were supplied; EUVD lists Oracle E-Business Suite Integrated SOA Gateway 12.2.3 through 12.2.15 as the affected range. Because the gateway is optional, exposure is concentrated in organizations that have enabled it and made its HTTP endpoint reachable.

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Severity by source

Vendor (oracle) PRIMARY 8.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
vuln.today AI 8.2 HIGH

Unauthenticated remote HTTP access with low complexity gives AV:N/AC:L/PR:N/UI:N; full data read is C:H, limited writes I:L, and no availability impact A:N.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle E-Business Suite Integrated SOA Gateway product of Oracle E-Business Suite (component: SOA Provider). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle E-Business Suite Integrated SOA Gateway. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle E-Business Suite Integrated SOA Gateway accessible data as well as unauthorized update, insert or delete access to some of Oracle E-Business Suite Integrated SOA Gateway accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

Executive ViewAI

Why It Matters

Oracle E-Business Suite's optional Integrated SOA Gateway creates a high-severity exposure for organizations running EBS 12.2.3 through 12.2.15: where the gateway is deployed and reachable, an unauthenticated remote user could access critical data and make limited unauthorized changes. Leadership should care because this affects a core ERP platform, requires no credentials, and has no vendor-released patch identified at time of analysis; exposure is concentrated in environments that enabled and network-exposed the optional component.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; disable the optional Integrated SOA Gateway where not required, block or allowlist network access to SOA Provider endpoints, require VPN for any necessary access, and monitor for anomalous unauthenticated requests.

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
Medium
major enterprise ERP but SOA Gateway is an optional, not-always-enabled component
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
Yes
Human Impact
High

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +41
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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