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Oracle WebCenter Capture EUVDEUVD-2026-61474

| CVE-2026-60946 CRITICAL
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-7vmr-grg5-v2r5
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
    Identify exposed WebCenter Capture RMI listener
  2. Exploit
    Send crafted RMI/serialized payload
  3. Execution
    Trigger unauthenticated code path in Client Bundle
  4. Impact
    Achieve 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.

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

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AnalysisAIv1 – 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

Oracle WebCenter Enterprise Capture 12.2.1.4.0
Oracle WebCenter Enterprise Capture 14.1.2.0.0

Affected Packages

euvd oracle_webcenter_enterprise_capture 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 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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  • Exploit and PoC references, threat intelligence from 22 sources

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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 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.

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 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

Why It Matters

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.

Business Impact: Severe
Compensating Controls

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

EPSS Score
0.5%
Top 60% exploitable
Prevalence
Low
niche Oracle Fusion Middleware document-capture product, limited enterprise footprint
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 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· derived
Out-of-Cycle
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

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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