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Oracle Service Delivery Platform CVE-2026-60376

| EUVDEUVD-2026-46782 CRITICAL
Missing Authentication for Critical Function (CWE-306)
2026-07-21 secalert_us@oracle.com GHSA-g8m3-53j5-qp3p
9.8
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
    Reach WebLogic T3/IIOP listener
  2. Delivery
    Send crafted RMI/serialized payload
  3. Exploit
    Exploit Messaging Enabler component
  4. Execution
    Execute attacker-controlled code
  5. Impact
    Full Service Delivery Platform takeover

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

The exploitable prerequisite is network reachability of the Service Delivery Platform's WebLogic T3 or IIOP protocol listener; the CVSS metrics AV:N/AC:L/PR:N/UI:N confirm no authentication, no user interaction, and low complexity against affected versions 12.2.1.4.0 and 14.1.2.0.0 running the Messaging Enabler component. What limits exploitation is exposure of those RMI ports - in deployments where T3/IIOP is firewalled to internal management segments, an external attacker cannot reach the vulnerable listener. There is no configuration toggle stated as required in the description; the default reachability of the T3/IIOP endpoint is the enabling condition, and only the affected version/component combination is at risk.

Impact

Signals are broadly aligned toward high priority: the CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) describes a network-reachable, low-complexity, unauthenticated attack yielding total compromise, matching the 9.8 base score. Counterbalancing this, there is no EPSS score in the provided data, no POC or exploit code identified, and no CISA KEV listing, so exploitation is currently theoretical rather than observed. The primary limiting factor is exposure: T3/IIOP listeners should not be internet-facing in a well-segmented deployment, so real-world risk hinges on whether the WebLogic RMI ports are reachable by the attacker. No SSVC decision fields or automatable/technical-impact metadata were supplied. Net assessment: treat as a genuine critical-priority patch for any environment where the SDP T3/IIOP ports are reachable, but note that absence of EPSS/KEV means widespread active exploitation is not confirmed.

Exploit ScenarioDerived

An attacker who can reach the SDP server's WebLogic T3 or IIOP listener port sends a crafted RMI request to the Messaging Enabler component without any credentials. Because the vector is network, low-complexity, and unauthenticated, a single malicious serialized payload can yield full server takeover with confidentiality, integrity, and availability impact. No public POC is currently identified, but the T3/IIOP vector is well-trodden in existing WebLogic exploitation tooling.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 22, 2026

Complete takeover of Oracle Communications/Fusion Middleware Service Delivery Platform (versions 12.2.1.4.0 and 14.1.2.0.0, Messaging Enabler component) is possible by an unauthenticated remote attacker reaching the T3 or IIOP protocol. The flaw scores CVSS 3.1 9.8 with full confidentiality, integrity, and availability impact and requires no user interaction; no public exploit has been identified at time of analysis and it is not listed in CISA KEV, but the T3/IIOP attack surface historically maps to WebLogic-style deserialization abuse. It was self-reported by Oracle and disclosed in the July 2026 Critical Patch Update.

RemediationAI

Apply the fixes delivered in Oracle's July 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpujul2026.html) - Patch available per vendor advisory; Oracle did not publish an isolated fixed build number in the provided data, so identify the exact patch for your 12.2.1.4.0 or 14.1.2.0.0 baseline directly from the CPU matrix. Until patching is complete, reduce exposure of the underlying WebLogic RMI surface: restrict or firewall the T3 and IIOP listener ports so they are reachable only from trusted management networks, and use WebLogic connection filters (weblogic.security.net.ConnectionFilterImpl) to allow-list source hosts for T3/T3S/IIOP - note this can break legitimate remote JMX/RMI clients and clustered node communication, so validate cluster and admin connectivity after applying. Where the Messaging Enabler's IIOP is not required, disable the IIOP protocol on the affected managed servers to shrink the attack surface, accepting loss of CORBA client interoperability.

Affected VersionsENISA

Service Delivery Platform 14.1.2.0.0
Service Delivery Platform 12.2.1.4.0

Affected Packages

euvd service_delivery_platform 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

Service Delivery Platform is an Oracle Fusion Middleware / Oracle Communications component that brokers messaging and network-service enablement; like most Fusion Middleware products it is layered on Oracle WebLogic Server, which exposes the proprietary T3 and CORBA IIOP remote protocols for RMI. The affected 'Messaging Enabler' subcomponent is reachable over these RMI channels. Oracle did not assign a CWE (listed N/A), but the T3/IIOP-over-RMI vector with full system takeover is the classic signature of Java object deserialization weaknesses (CWE-502 class) that have repeatedly affected WebLogic-based stacks, where a crafted serialized object delivered through the RMI listener is deserialized into attacker-controlled code execution. The CPE-equivalent affected identifiers per Oracle and ENISA EUVD are Service Delivery Platform 12.2.1.4.0 and 14.1.2.0.0.

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Severity by source

Vendor (oracle) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 9.8 CRITICAL

Unauthenticated network-reachable T3/IIOP RMI flaw with low complexity and no user interaction yielding full product takeover, so PR:N/UI:N and C/I/A all High.

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

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

Why It Matters

Oracle Communications/Fusion Middleware Service Delivery Platform Messaging Enabler (versions 12.2.1.4.0 and 14.1.2.0.0) contains a critical remote code execution vulnerability enabling unauthenticated attackers to achieve complete system takeover via T3/IIOP protocols. Organizations running these versions face immediate risk of total compromise of messaging infrastructure, data breach, and service disruption.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: Restrict network access to T3/IIOP ports (typically 7001-7002 for T3, 7010 for IIOP) via firewall rules to trusted networks only; disable Messaging Enabler component if not operationally critical; implement enhanced logging and intrusion detection signatures for T3/IIOP protocol deserialization activity; conduct immediate access review of administrative credentials with Messaging Enabler privileges.

Threat Intelligence Overview

EPSS Score
0.5%
Top 61% exploitable
Prevalence
Low
niche Oracle Communications/telecom middleware, limited enterprise footprint
Data Quality
5 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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Out-of-Cycle
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Very High
Technical Impact
Total

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +49
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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