Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessIdentify exposed WebCenter Capture RMI listener
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ExploitSend crafted RMI/serialized payload
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ExecutionTrigger unauthenticated code path in Client Bundle
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ImpactAchieve product takeover (C/I/A)
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The attacker must have network reachability to the Oracle WebCenter Enterprise Capture service's Java RMI interface (the Client Bundle component); per the CVSS vector AV:N/AC:L/PR:N/UI:N, no authentication, no elevated privileges, and no user interaction are required against affected default deployments of versions 12.2.1.4.0 and 14.1.2.0.0. The primary limiting factor is therefore network exposure of the RMI listener: environments that firewall RMI ports to trusted hosts, segment the service, or keep it off untrusted networks materially raise the bar, since the vector depends on an attacker being able to open an RMI connection to the target. |
| Impact | This is a genuine high-priority issue, not a paper-tiger high score: the CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H shows network attack vector, low complexity, no privileges, and no user interaction, and Oracle itself labels it 'easily exploitable' with a result of product takeover. No EPSS score, KEV entry, or POC signal was provided, so exploitation-in-the-wild cannot be asserted - the risk here is driven by the intrinsic severity and the low barrier to attack rather than by observed activity. Because RMI-reachable enterprise middleware is often exposed on internal networks (and sometimes carelessly to the internet), any operator running an affected build should treat this as urgent and patch on Oracle's CPU cadence even absent a public exploit. The main open question is real-world exposure: the impact is unambiguous, but without EPSS or KEV data the probability of near-term mass exploitation is unquantified and should be re-checked as Oracle CPU details propagate. |
| Exploit ScenarioDerived | An attacker who can reach the WebCenter Capture RMI service over the network sends a crafted RMI request/serialized payload to the Client Bundle interface, requiring no credentials and no user interaction. Successful processing yields full compromise of the WebCenter Capture instance - confidentiality, integrity, and availability of captured documents and the service itself. No public proof-of-concept was identified in the provided data, so this scenario is derived from the CVSS vector and Oracle's 'easily exploitable / takeover' description. |
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Alert meAnalysisAIv1 – Aug 19, 2026
Full remote takeover of Oracle WebCenter Enterprise Capture (Fusion Middleware, Client Bundle component) is possible by an unauthenticated attacker reaching the product over Java RMI, per Oracle's August 2026 Critical Patch Update. The flaw is rated CVSS 9.8 with high confidentiality, integrity, and availability impact and is described by Oracle as 'easily exploitable,' affecting versions 12.2.1.4.0 and 14.1.2.0.0. No public exploit identified at time of analysis and it is not listed in CISA KEV, but the combination of network reach, no authentication, and complete compromise makes it a top-priority patch.
RemediationAI
Apply the fixes shipped in Oracle's August 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cspuaug2026.html) for the affected 12.2.1.4.0 and 14.1.2.0.0 branches; the input does not name a discrete fixed build number, so treat this as 'patch available per vendor advisory' and pull the exact patch/bundle for your version from the CPU matrix rather than a fabricated version string. Until the CPU patch is deployed, reduce exposure of the RMI attack surface: restrict network access to the WebCenter Capture RMI listener ports to trusted management hosts via firewall/ACLs, ensure the service is never reachable from the internet, and place it behind a segmented internal network or VPN - the trade-off is that legitimate remote clients using the Client Bundle over RMI must be explicitly allowlisted or they will lose connectivity. Where feasible, monitor RMI endpoints for anomalous deserialization traffic as a detective control. These are compensating measures only; the durable fix is the vendor patch.
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
Oracle WebCenter Enterprise Capture is a Java/Fusion Middleware document-imaging and capture application; the affected surface is its Client Bundle component, which communicates with server-side services over Java Remote Method Invocation (RMI). RMI endpoints in Fusion Middleware stacks have historically been an exposure point for insecure Java object deserialization, where a crafted serialized payload delivered to the RMI listener is deserialized into a malicious object graph and executed. No CWE was assigned in the source data, but the 'via RMI' vector plus full C/I/A takeover is consistent with an unauthenticated deserialization / remote-object-invocation class of defect (CWE-502-style root cause is a reasonable inference, not a confirmed classification). Exact affected builds are Oracle WebCenter Enterprise Capture 12.2.1.4.0 and 14.1.2.0.0; no CPE strings were supplied in the input.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable RMI interface with no user interaction (AV:N/AC:L/PR:N/UI:N) yielding full product takeover, so C:H/I:H/A:H and scope unchanged.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the Oracle WebCenter Enterprise Capture product of Oracle Fusion Middleware (component: Client Bundle). 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 RMI to compromise Oracle WebCenter Enterprise Capture. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Enterprise Capture. 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 WebCenter Enterprise Capture versions 12.2.1.4.0 and 14.1.2.0.0 are vulnerable to complete remote takeover by unauthenticated attackers with network access to Java RMI ports, enabling unrestricted access to captured documents and sensitive business data. With no patch currently available and a CVSS score of 9.8, this poses an immediate organizational risk for data theft and system compromise. Organizations running affected versions must prioritize containment through network isolation while awaiting a vendor security update.
No vendor-released patch identified at time of analysis. Implement network segmentation to isolate affected WebCenter Capture systems from untrusted networks; restrict Java RMI port access (port 1099 and related registry ports) through firewall rules to administrative networks only; disable unnecessary RMI port exposure; implement enhanced monitoring and alerting for RMI connection attempts from external sources; and establish a formal patch deployment plan for immediate execution when Oracle releases a security update.
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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