Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach exposed T3/IIOP listener
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DeliverySend crafted message to Messaging Enabler
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ExploitTrigger unauthenticated flaw
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ExecutionExecute attacker-controlled logic
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ImpactFull takeover of Service Delivery Platform
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK
1 technique across 1 tactic: 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 network reachability to the Service Delivery Platform's T3 or IIOP protocol listeners (the WebLogic RMI ports) - these must be routable from the attacker to the target. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no authentication and no user interaction are needed against affected versions 12.2.1.4.0 and 14.1.2.0.0. The primary limiting factor is exposure of the T3/IIOP ports: in deployments where these protocols are firewalled to a trusted admin network or disabled, remote exploitation is not possible. Only the two named versions with the Messaging Enabler component are in scope. |
| Impact | All available severity signals align toward high priority: the CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H describes remote, low-complexity, unauthenticated exploitation with no user interaction and full CIA impact, yielding a 9.8 base score. Countervailing signals temper urgency for immediate mass-exploitation fear: there is no EPSS score in the provided data, the CVE is not listed in CISA KEV (no confirmed active exploitation), and no public exploit code was identified. SSVC-style reasoning: technical impact is total (takeover) and the flaw is likely automatable given the unauthenticated network vector, but exploitation status is 'none observed' per available sources. The practical risk is heavily gated by network exposure - T3/IIOP should never be Internet-facing, so environments that restrict these ports to trusted management networks face substantially lower real-world risk than the raw 9.8 implies. |
| Exploit ScenarioDerived | An attacker who can reach the WebLogic-based Service Delivery Platform's T3 or IIOP listen port - for example a misconfigured deployment with these ports exposed beyond the management network - sends a crafted protocol message to the Messaging Enabler component without any credentials. Given the low attack complexity and full-impact rating, a successful message leads to complete compromise (takeover) of the platform. No public proof-of-concept was identified at time of analysis, but the unauthenticated, no-interaction profile makes this the kind of flaw that is quickly weaponized once details circulate. |
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Alert meAnalysisAIv1 – Jul 22, 2026
Complete takeover of Oracle Service Delivery Platform (Fusion Middleware, Messaging Enabler component) is achievable by an unauthenticated remote attacker who reaches the T3 or IIOP protocol endpoints. Versions 12.2.1.4.0 and 14.1.2.0.0 are affected, carrying a maximum-severity CVSS 9.8 with full confidentiality, integrity, and availability loss. No public exploit is identified at time of analysis and the CVE is not in CISA KEV, but the T3/IIOP attack surface is historically a high-value target in the Oracle WebLogic/Fusion stack.
RemediationAI
Apply the fixes from Oracle's July 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpujul2026.html), which is the primary and only vendor-sanctioned remediation for the affected 12.2.1.4.0 and 14.1.2.0.0 versions - Oracle does not publish standalone fix version strings in the CPU, so track the specific patch bundle referenced in that advisory for your deployment. Because the attack vector is T3/IIOP, the strongest compensating control until patching is to restrict or disable these protocols: use WebLogic connection filters (e.g. weblogic.security.net.ConnectionFilterImpl) to allow T3/IIOP only from trusted management hosts, and ensure the T3/IIOP listen ports are never exposed to the Internet or untrusted segments via perimeter and host firewalls. Trade-offs: connection filters and port blocking can break legitimate remote EJB clients, WLST administration, and inter-node cluster communication, so validate that management tooling and application clients still function after tightening. Disabling IIOP is safe only if no CORBA/RMI-IIOP clients depend on it.
Affected VersionsENISA
Affected Packages
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 Service Delivery Platform is an Oracle Fusion Middleware product built on the Oracle WebLogic Server (Java EE) technology stack; the affected 'Messaging Enabler' component handles messaging services within that platform. Exploitation occurs over T3 and IIOP - the proprietary RMI transport protocols WebLogic exposes for remote EJB/JNDI and administrative operations. Historically, unauthenticated 'takeover' bugs reachable via T3/IIOP in this stack stem from insecure Java deserialization of untrusted objects (CWE-502) delivered through these protocols, allowing gadget-chain-driven remote code execution. The official CWE is listed as N/A in the source data, so the root-cause class here is inferred from the protocol/impact pattern rather than confirmed by NVD.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated remote takeover over T3/IIOP with no user interaction gives AV:N/AC:L/PR:N/UI:N, and full platform compromise yields C:H/I:H/A:H.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Service Delivery Platform product of Oracle Fusion Middleware (component: Messaging Enabler). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Service Delivery Platform. Successful attacks of this vulnerability can result in takeover of Service Delivery Platform. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Executive ViewAI
Oracle Service Delivery Platform (Messaging Enabler component) in versions 12.2.1.4.0 and 14.1.2.0.0 is vulnerable to complete remote system takeover by unauthenticated attackers, exposing organizations to full data compromise and service interruption. Any enterprise running affected Fusion Middleware versions accessible over the network faces immediate risk of unauthorized access to service delivery operations and customer data. No patch currently available increases urgency of interim defensive measures.
No vendor-released patch identified at time of analysis. Implement interim controls: (1) Restrict T3 (ports 7001/7002) and IIOP (ports 9001/9002) access to trusted networks only via network ACLs or firewall policies; (2) Disable Messaging Enabler if business operations permit; (3) Deploy reverse proxy or WAF with credential enforcement upstream of vulnerable endpoints; (4) Enable continuous monitoring and alerting for failed authentication attempts and anomalous protocol activity; (5) Maintain validated backup and disaster recovery procedures to enable rapid recovery from potential compromise.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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EUVD-2026-46780
GHSA-8r4h-j5r3-h9m7
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB