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Oracle SOA Suite EUVDEUVD-2026-106493

| CVE-2026-91238 HIGH
Uncontrolled Resource Consumption (CWE-400)
2026-10-20 secalert_us@oracle.com GHSA-cf85-v7xr-rmgg
7.1
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 SOA account
  2. Delivery
    Reach Fabric Layer over HTTP
  3. Exploit
    Send crafted request to exploit flaw
  4. Execution
    Tamper with or delete critical data
  5. Impact
    Integrity loss plus partial DoS

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

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

Exploitation Conditions

Exploitation requires a valid low-privileged account on the target Oracle SOA Suite instance (CVSS PR:L) and HTTP/network reachability to the Fabric Layer component; affected builds are 12.2.1.4.0 and 14.1.2.0.0. No user interaction is needed (UI:N) and attack complexity is low (AC:L), but the authentication requirement is the key limiting factor - fully unauthenticated attackers cannot exploit it, so exposure is driven by how broadly low-privilege SOA accounts are provisioned and whether the management/HTTP interface is network-restricted. Impact is confined to integrity (data creation/deletion/modification) and partial availability; confidentiality is not affected.

Impact

This is a genuine-but-moderate priority. The provided CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L, base 7.1) indicates a network-reachable, low-complexity attack requiring only low privileges and no user interaction, yielding high integrity impact and low availability impact with no confidentiality loss - consistent with the description of unauthorized create/delete/modify of critical data plus partial DoS. No EPSS score was provided, so exploitation probability cannot be quantified. There is no CISA KEV listing and no public exploit referenced, so this is no public exploit identified at time of analysis; it should not be treated as actively exploited. No SSVC decision data was supplied. The one signal that could elevate urgency - the PR:L requirement - means an attacker still needs some authenticated foothold, which tempers the network-vector risk. The 'Denial Of Service' tag aligns only with the A:L (partial DoS) portion and understates the more significant I:H (integrity) impact; the primary danger is data tampering, not availability. Net: patch within normal Oracle CPU cadence; not an emergency absent evidence of exploitation.

Exploit ScenarioDerived

An attacker who already holds a low-privilege authenticated account on an internet- or network-reachable Oracle SOA Suite instance sends crafted HTTP requests to the Fabric Layer component. By abusing the flaw they modify or delete critical SOA composite/runtime data and can induce a partial denial of service of the suite. No public proof-of-concept is referenced, and exploitation requires valid (if low-level) credentials.

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 20, 2026

Oracle SOA Suite 12.2.1.4.0 and 14.1.2.0.0 allow a low-privileged attacker with HTTP access to the Fabric Layer to create, delete, or modify critical data and cause a partial denial of service. The CVSS 3.1 vector requires a valid low-privileged account (PR:L) but no user interaction, and confidentiality is not affected. No public exploit code or confirmed active exploitation was identified at time of analysis, so priority is driven by exposure of low-privilege SOA accounts and the HTTP interface.

RemediationAI

Apply the Oracle Critical Patch Update fixes referenced in Oracle's October 2026 security alert (https://www.oracle.com/security-alerts/cpuoct2026.html) for Oracle SOA Suite 12.2.1.4.0 and 14.1.2.0.0; the advisory is the authoritative source for the exact patched build because the input data does not include specific fixed version numbers. Until patched, restrict HTTP access to the Fabric Layer to trusted networks and administrative hosts, enforce least privilege, review and reduce low-privileged SOA accounts, and monitor for anomalous create/delete/modify activity or partial service disruptions. These controls reduce exposure but do not eliminate the flaw, and network restrictions can break legitimate SOA integrations that rely on Fabric Layer endpoints.

Affected VersionsENISA

Oracle SOA Suite 14.1.2.0.0
Oracle SOA Suite 12.2.1.4.0

Affected Packages

euvd oracle_soa_suite 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 SOA Suite is Oracle Fusion Middleware's service-oriented architecture platform; the affected Fabric Layer is the component exposed over HTTP in this advisory. The supplied data provides no CWE, so the code-level defect class is not disclosed, but the CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L) describes a network-reachable, low-complexity flaw that requires a valid low-privileged account and causes high integrity impact plus partial availability impact while leaving confidentiality intact. In practice this points to an access-control or authorization weakness in Fabric Layer operations that a low-privileged user can invoke to alter or delete SOA data and degrade service; no CPE identifiers were supplied to narrow the affected product set beyond the EUVD-listed SOA Suite versions.

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Severity by source

Vendor (oracle) PRIMARY 7.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
vuln.today AI 7.1 HIGH

HTTP-reachable Fabric Layer gives AV:N/AC:L; a low-privilege account is required (PR:L); impact is data tampering (I:H) with partial DoS (A:L) and no confidentiality loss (C:N).

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

DescriptionCVE.org

Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle SOA Suite. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle SOA Suite accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle SOA Suite. CVSS 3.1 Base Score 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L).

Executive ViewAI

Why It Matters

Oracle SOA Suite 12.2.1.4.0 and 14.1.2.0.0 create a high-severity integrity and availability risk for organizations running business-critical SOA integrations, because an authenticated low-privileged user with HTTP access to the Fabric Layer could alter or remove critical data and partially disrupt services. No public exploit identified at time of analysis, and no vendor-released patch identified at time of analysis, so leadership attention should focus on reducing exposure of low-privileged SOA accounts and the Fabric Layer HTTP interface while maintaining integration trust and service continuity.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; restrict Fabric Layer HTTP access to trusted networks or hosts, enforce least privilege and recertify low-privileged SOA accounts, rotate credentials, deploy WAF/API gateway rules, enable detailed audit logging and alerting for create/delete/modify operations, and maintain tested backups of critical SOA data.

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
Medium
enterprise Oracle Fusion Middleware integration suite, common but not ubiquitous
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
No
Human Impact
High

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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