Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated, low-complexity remote exploitation over T3/IIOP with described full takeover justifies AV:N/AC:L/PR:N/UI:N and C:H/I:H/A:H; no cross-system scope change, so S:U.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.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).
AnalysisAI
Complete takeover of Oracle Service Delivery Platform (part of Oracle Fusion Middleware) is possible via its Messaging Enabler component, affecting versions 12.2.1.4.0 and 14.1.2.0.0. A remote, unauthenticated attacker reaching the T3 or IIOP protocol ports can fully compromise the platform (full confidentiality, integrity, and availability loss, CVSS 9.8). This was fixed in the Oracle Critical Patch Update of July 2026; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Technical ContextAI
Oracle Service Delivery Platform (SDP) is a Fusion Middleware telecom/messaging enablement layer that runs on Oracle WebLogic Server, and the affected 'Messaging Enabler' component handles messaging services. The exposed attack surface is WebLogic's T3 (proprietary Java RMI protocol) and IIOP (CORBA/RMI-over-IIOP) remote invocation channels, which have a long history of Java deserialization abuse leading to remote code execution. No CWE was assigned in the input, but the T3/IIOP vector combined with full 'takeover' impact is consistent with the unsafe-deserialization / untrusted remote object invocation class of flaws typical of WebLogic-hosted products. Exact CPE strings were not provided; affected products are identified only by Oracle/EUVD version labels (SDP 12.2.1.4.0 and 14.1.2.0.0).
RemediationAI
Apply the fixes from the Oracle Critical Patch Update of July 2026 (https://www.oracle.com/security-alerts/cpujul2026.html) for the affected Service Delivery Platform 12.2.1.4.0 and 14.1.2.0.0 releases; Oracle publishes the exact patch/bundle identifiers per product in that advisory, so the CPU patch is the primary and required remediation (no standalone fixed version string was given in this input, so cite the CPU rather than inventing a version). As compensating controls until patching, restrict network access to the WebLogic T3 and IIOP listen ports using WebLogic connection filters (weblogic.security.net.ConnectionFilterImpl) or a firewall so only trusted management hosts can reach them, and disable IIOP and/or the default T3 channel if the deployment does not require them - trade-off: this can break legitimate remote EJB/JMS clients and inter-server communication, so validate against your integration dependencies first. Place SDP behind network segmentation so T3/IIOP is never exposed to untrusted or Internet-facing networks.
More in Service Delivery Platform
View allComplete remote takeover of Oracle Service Delivery Platform (a component of Oracle Fusion Middleware, versions 12.2.1.4
Complete takeover of Oracle Service Delivery Platform is achievable by an unauthenticated remote attacker via SOAP reque
Privilege-abusing remote compromise in Oracle Communications Service Delivery Platform (Messaging Enabler component), ve
Full system takeover in Oracle Service Delivery Platform (Fusion Middleware, Messaging Enabler component) versions 12.2.
Complete takeover of Oracle Service Delivery Platform (Fusion Middleware, Messaging Enabler component) is possible by an
Complete takeover of Oracle Service Delivery Platform (Fusion Middleware, Messaging Enabler component) is achievable by
Complete takeover of Oracle Communications Service Delivery Platform (SDP) 12.2.1.4.0 and 14.1.2.0.0, shipped within Ora
Full compromise of Oracle Communications Service Delivery Platform (Messaging Enabler component) versions 12.2.1.4.0 and
Complete takeover of Oracle Communications/Fusion Middleware Service Delivery Platform (versions 12.2.1.4.0 and 14.1.2.0
Complete takeover of Oracle Communications Service Delivery Platform (Messaging Enabler component) versions 12.2.1.4.0 a
Full compromise of Oracle Communications Service Delivery Platform (Messaging Enabler component) in Oracle Fusion Middle
Complete takeover of Oracle Service Delivery Platform (a Fusion Middleware component) is possible when unauthenticated a
Same technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-46791
GHSA-w5j5-hhmq-6764