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Fusion Middleware Control CVE-2026-91467

| EUVDEUVD-2026-106715 MEDIUM
Improper Authentication (CWE-287)
2026-10-20 secalert_us@oracle.com GHSA-h449-mg97-39rc
6.6
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
    Gain physical access to console host
  2. Delivery
    Stage malicious action in Fusion Middleware Control
  3. Exploit
    Induce operator interaction (UI:R)
  4. Execution
    Trigger framework flaw
  5. Impact
    Take over Fusion Middleware Control

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

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

Exploitation Conditions

Exploitation requires physical access (AV:P) to the system hosting Oracle Fusion Middleware Control AND human interaction (UI:R) from a legitimate user other than the attacker, affecting Oracle Fusion Middleware Control versions 12.2.1.4.0 and 14.1.2.0.0 (Framework component). These two factors - local physical proximity plus a tricked operator - are the primary limiters; the flaw cannot be triggered remotely or network-side and requires no attacker authentication (PR:N) once physical access and victim interaction are obtained. The description does not name a specific toggle or non-default mode, so exploitation applies to affected versions generally rather than being gated on a particular configuration.

Impact

This is a high-CVSS-but-moderate-real-risk issue whose score (6.6, Medium) is held down almost entirely by the attack vector. The CVSS 3.1 vector confirms AV:P (physical access required), AC:L, PR:N (unauthenticated), UI:R (human interaction from a person other than the attacker), S:U, with full C:H/I:H/A:H impact resulting in takeover of Oracle Fusion Middleware Control. The combination of physical access AND required victim interaction makes remote mass-exploitation impossible, which is why the impact is severe but the base score stays Medium. No EPSS score, KEV listing, or POC was provided in the input; there is no public exploit identified at time of analysis and no evidence of active exploitation. Signals are consistent (no conflicts), but note the input Tags label this 'Information Disclosure' whereas the CVSS vector and description describe full confidentiality, integrity AND availability compromise (takeover) - treat the impact as takeover, not mere disclosure. Overall this is a low-urgency, high-impact-if-reached issue: prioritize patching for high-value/physically-exposed Fusion Middleware consoles but it does not warrant emergency response absent exploitation evidence.

Exploit ScenarioDerived

An attacker with physical access to a workstation or console session running Oracle Fusion Middleware Control tricks a legitimate operator (a person other than the attacker) into performing an action that triggers the flaw, resulting in takeover of the Fusion Middleware Control console. Because the CVSS vector requires AV:P and UI:R, the attack cannot be performed remotely and depends on both proximity and victim cooperation. 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 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Physical-access attackers who can convince a legitimate operator to interact with a crafted element can achieve complete takeover of Oracle Fusion Middleware Control 12.2.1.4.0 and 14.1.2.0.0 (Framework component), with high confidentiality, integrity and availability impact under CVSS 3.1 scoring of 6.6. The moderate score is driven almost entirely by the attack vector (AV:P) and the required victim interaction (UI:R) rather than by any weakness in the impact, and no attacker authentication (PR:N) is needed once those two preconditions are met. No public exploit code has been identified and the issue is not listed in CISA KEV at time of analysis; Oracle ships the fix through its October 2026 Critical Patch Update cycle.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html), which is the vendor-released fix for this issue; confirm the exact updated build number for your 12.2.1.4.0 or 14.1.2.0.0 deployment from that advisory before closing the finding. Because the attack path is physical plus human interaction, prioritize compensating controls that shrink the physical and social surface in the interim: restrict and log physical access to hosts and workstations that can reach the console (trade-off: operational friction for on-site administrators), remove or strictly limit the console's use on shared or kiosk-style machines and disable auto-open of untrusted files or links on those systems (trade-off: reduced convenience, some legacy workflow breakage), and enforce least privilege so console operators do not hold broader administrative rights than their role requires (trade-off: more granular account management overhead). Add review of operator sessions and unexpected console configuration changes to detection coverage while patching is scheduled, and note that no public exploit code or KEV-driven urgency has been observed, so remediation can follow the standard quarterly cycle rather than emergency change.

Affected VersionsENISA

Oracle Fusion Middleware Control 14.1.2.0.0
Oracle Fusion Middleware Control 12.2.1.4.0

Affected Packages

euvd oracle_fusion_middleware_control 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 Fusion Middleware Control is the browser-based administrative console used to deploy, configure and monitor Fusion Middleware components and the underlying WebLogic domains, which makes it a high-value target despite the constrained attack path. The affected code lives in the Framework component shared by the 12.2.1.4.0 (12c) and 14.1.2.0.0 (14c) release trains. The supplied data assigns no CWE identifier, so the precise root-cause class (for example unsafe deserialization, improper input validation, or a trust-boundary flaw in a locally reachable handler) cannot be pinned from available intelligence; the CVSS vector CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H indicates only that the trigger requires local physical presence plus a tricked operator, that no privileges are needed, and that the scope remains unchanged while full C/I/A impact is realized. EUVD mirrors the two affected version strings, and no CPE data was provided, so classification relies on the Oracle CPU reference rather than automated fingerprinting.

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Severity by source

Vendor (oracle) PRIMARY 6.6 MEDIUM
AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI 6.6 MEDIUM

Physical vector and required victim interaction per description give AV:P and UI:R; no attacker auth (PR:N), and takeover yields C:H/I:H/A:H with unchanged scope.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Fusion Middleware Control product of Oracle Fusion Middleware (component: Framework). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows physical access to compromise Oracle Fusion Middleware Control. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Fusion Middleware Control. CVSS 3.1 Base Score 6.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

Threat Intelligence Overview

EPSS Score
0.2%
Top 90% exploitable
Prevalence
High
widely deployed Oracle enterprise middleware management console 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 0.2%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +33
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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