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Oracle WebCenter Capture CVE-2026-60947

| EUVDEUVD-2026-61475 CRITICAL
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-hmv8-v4mr-gpmp
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 RMI listener over network
  2. Delivery
    Send crafted RMI request to Client Bundle
  3. Exploit
    Trigger flaw in remote object handling
  4. Execution
    Execute attacker-controlled logic
  5. Impact
    Take over Capture server

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

Exploitation requires network access to the Oracle WebCenter Enterprise Capture server over the RMI protocol against the Client Bundle component; the server must expose its RMI listener to the attacker. Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no authentication and no user interaction are needed, and attack complexity is low, so default-configured, network-reachable instances of supported versions 12.2.1.4.0 and 14.1.2.0.0 are exploitable. The primary limiting factor is network exposure of the RMI service - deployments that firewall or segment RMI ports away from untrusted networks substantially reduce reachability, and only the two named Fusion Middleware versions are stated as affected.

Impact

This is a genuine high-priority issue rather than an inflated high-CVSS score. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates network-reachable, low-complexity, unauthenticated exploitation requiring no user interaction and yielding full system takeover - the maximum realistic threat profile short of a scope change. Oracle explicitly labels it 'easily exploitable.' Countervailing signals lower the immediacy somewhat: no EPSS score, KEV listing, or POC was provided in the input, so there is no public exploit identified at time of analysis and no confirmed active exploitation. No SSVC decision data was supplied. The Oracle-assigned tag 'Information Disclosure' understates the actual impact, which the description and vector describe as full takeover (C/I/A all High) - defenders should weight the vector and 'takeover' language over the tag. Net: treat as urgent for any exposed Capture deployment given trivial exploitability, while recognizing exploitation is currently theoretical pending POC or KEV signals.

Exploit ScenarioDerived

An attacker with network reachability to the Capture server's RMI port sends a crafted RMI request to the Client Bundle endpoint without any credentials, exploiting the flaw to execute their own logic and seize control of the server. Because no authentication or user interaction is needed and complexity is low, a single unauthenticated request can escalate to full takeover of the Capture instance and its stored documents. No public exploit was identified at time of analysis, so this scenario is inferred from the CVSS vector and Oracle's 'easily exploitable' characterization.

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

Complete takeover of Oracle WebCenter Enterprise Capture is possible via the Client Bundle component, where an unauthenticated network attacker leveraging the RMI protocol can fully compromise the affected server. Oracle's August 2026 Critical Patch Update rates this at CVSS 9.8 with full confidentiality, integrity, and availability impact against supported versions 12.2.1.4.0 and 14.1.2.0.0. No public exploit identified at time of analysis, though the trivial exploitability (AC:L, PR:N) and RMI attack surface make it a high-priority patch item.

RemediationAI

Apply the fixes delivered in Oracle's August 2026 Critical Patch Update, referenced at https://www.oracle.com/security-alerts/cspuaug2026.html; the input does not enumerate an exact patched build number, so this is a patch available per vendor advisory and administrators should map their 12.2.1.4.0 or 14.1.2.0.0 installation to the corresponding CPU patch on My Oracle Support. As a compensating control until patching completes, restrict network access to the RMI listener ports so they are reachable only from trusted management hosts - using host firewalls or network ACLs - since the attack vector is RMI; this may break legitimate remote Capture client connectivity and should be validated against operational workflows. Where the Client Bundle RMI service is not required externally, bind it to internal interfaces or place the Capture server behind a segmented, non-internet-facing network zone, accepting the trade-off of tighter client connectivity constraints.

Affected VersionsENISA

Oracle WebCenter Enterprise Capture 14.1.2.0.0
Oracle WebCenter Enterprise Capture 12.2.1.4.0

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 document imaging and capture platform within the Oracle Fusion Middleware stack, used to scan, index, and ingest documents into enterprise content management workflows. The vulnerable Client Bundle component communicates with the server over Java RMI (Remote Method Invocation), a protocol historically associated with insecure deserialization of untrusted objects - a common root cause for pre-authentication remote code execution in Java middleware. Oracle did not assign a CWE (listed as N/A), but the RMI vector combined with a full-takeover CIA-High profile is consistent with a deserialization or remote object invocation flaw. The RMI registry and remoting endpoints typically listen on dedicated TCP ports and are frequently exposed within enterprise network segments.

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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

RMI-reachable, unauthenticated, low-complexity flaw with no user interaction yielding full server takeover, so AV:N/AC:L/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 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) contains a critical vulnerability enabling complete remote system takeover without any authentication requirement. Any network-connected attacker can achieve full confidentiality, integrity, and availability compromise through the RMI protocol. No vendor-released patch exists, leaving affected organizations immediately exposed to data breach and operational destruction.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: Enforce firewall-level restrictions on RMI port 1099 (default) to trusted sources only; segment affected servers into isolated network zones preventing lateral movement to sensitive systems; implement continuous monitoring and alerting for anomalous RMI traffic; disable RMI remote access if operationally feasible; maintain real-time log monitoring for exploitation indicators; prepare contingency plans for rapid system replacement if compromise is detected.

Threat Intelligence Overview

EPSS Score
0.5%
Top 60% exploitable
Prevalence
Low
niche Oracle Fusion Middleware document-capture component, 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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