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Oracle WebCenter Enterprise Capture EUVDEUVD-2026-37410

| CVE-2026-35281 CRITICAL
Improper Access Control (CWE-284)
2026-06-16 oracle
9.9
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
    Obtain low-privileged WebLogic account
  2. Delivery
    Reach exposed T3/IIOP listener
  3. Exploit
    Send crafted Client Bundle request
  4. Execution
    Exploit scope-changing flaw
  5. Persist
    Take over WebCenter Capture instance
  6. Impact
    Pivot into adjacent Fusion Middleware components

Vulnerability Assessment

Weakness
CWE
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

Attacker must have network reachability to the Oracle WebCenter Enterprise Capture instance over the T3 or IIOP protocols (the WebLogic management/RMI channels) and must hold a low-privileged account on the target (PR:L in the CVSS vector). No user interaction is required (UI:N) and attack complexity is low (AC:L), so once those two prerequisites are met exploitation is straightforward against the named versions 12.2.1.4.0 and 14.1.2.0.0. Realistic limiting factors: deployments that firewall T3/IIOP off the general network, disable IIOP, or use WebLogic Connection Filters to whitelist client IPs materially raise the bar; conversely, internet-exposed T3/IIOP listeners - a known misconfiguration pattern - make exploitation trivial.

Impact

Risk is high and patching should be prioritized: CVSS 9.9 with AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H means a single low-privileged account on a network-reachable T3/IIOP endpoint is sufficient for full takeover with cross-product impact. Oracle's SSVC-equivalent signals (Easily exploitable, scope change, takeover) reinforce that this is automatable in principle, and the T3/IIOP attack surface has a long history of weaponized exploitation in the WebLogic ecosystem. Counterbalancing signals: no EPSS score, KEV status, or public POC was provided in the input, so there is no current evidence of in-the-wild exploitation - risk is therefore credible and structurally severe but not yet confirmed as actively exploited. Note also a partial signal conflict: the tag set includes 'Information Disclosure' while the description states full takeover and C:H/I:H/A:H, so the tag understates real impact.

Exploit ScenarioDerived

An attacker who has obtained or been granted a low-privileged WebCenter/WebLogic account - for example via a phished operator credential or an over-provisioned integration user - connects to the exposed T3 or IIOP port and sends a crafted request to the Client Bundle interface. The flaw allows full compromise of the WebCenter Enterprise Capture instance and, due to scope change, pivot into adjacent Fusion Middleware components running on the same domain. No public POC is referenced in the input, but T3/IIOP exploitation tooling is mature in the offensive community.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 16, 2026

Account takeover of Oracle WebCenter Enterprise Capture (12.2.1.4.0 and 14.1.2.0.0) is achievable by a low-privileged attacker with network access to the T3 or IIOP protocols. The CVSS 9.9 score reflects a scope-changing flaw in the Client Bundle component that can pivot beyond the originally compromised product, with full impact on confidentiality, integrity, and availability. No public exploit identified at time of analysis, but Oracle's own CPU advisory confirms the issue and the low attack complexity makes it a high-priority patching target.

RemediationAI

Patch available per vendor advisory: apply the fixes shipped in the Oracle Critical Patch Update referenced at https://www.oracle.com/security-alerts/cspujun2026.html for WebCenter Enterprise Capture 12.2.1.4.0 and 14.1.2.0.0; no exact post-patch build number is enumerated in the input, so confirm the version against Oracle's CPU matrix before deploying. As compensating controls until the CPU is applied, restrict network reachability of T3 and IIOP listeners to a trusted management VLAN using WebLogic Connection Filters (weblogic.security.net.ConnectionFilterImpl) or perimeter firewalling - note this can break legitimate JMS, RMI, and WLST client integrations and must be tested. Additionally, tighten WebLogic user roles so no untrusted account holds even the low privilege the CVSS vector assumes, and enable IIOP only if actively used (disable in the protocols configuration otherwise), accepting that downstream CORBA clients will lose connectivity.

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 document imaging and capture platform built on Oracle Fusion Middleware / WebLogic Server, exposing the proprietary T3 protocol and CORBA-based IIOP for remote management and client-server communication. These protocols are historically a high-value attack surface in the WebLogic stack, repeatedly abused for deserialization and authentication-bypass flaws (e.g., the Coherence and Tuxedo CVE families). The vulnerability resides in the Client Bundle subcomponent and produces a scope change (S:C in CVSS), meaning the security authority of the exploited component is exceeded - typical of WebLogic flaws that traverse into adjacent JVMs, managed servers, or downstream Fusion Middleware products. No CWE is published by Oracle, but the T3/IIOP attack vector combined with full CIA impact at low complexity is consistent with the unsafe-deserialization or authentication-flaw classes seen in prior WebLogic CVEs.

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Severity by source

Vendor (oracle) PRIMARY 9.9 CRITICAL
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
vuln.today AI 9.9 CRITICAL

T3/IIOP is network-reachable (AV:N), Oracle states easily exploitable (AC:L), a low-privileged account is required (PR:L), no user interaction, and takeover with cross-product impact justifies S:C and C/I/A:H.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
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 low privileged attacker with network access via T3, IIOP to compromise Oracle WebCenter Enterprise Capture. While the vulnerability is in Oracle WebCenter Enterprise Capture, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Enterprise Capture. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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) is vulnerable to account takeover attacks that require only low-privilege network access and can propagate to connected enterprise systems, exposing all user data, enterprise content, and system availability. No vendor patch is currently available, requiring immediate implementation of compensating controls for all organizations running these versions.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Restrict network access to T3 and IIOP protocols to trusted administrative networks using firewall segmentation. Enforce principle of least privilege on all service and application accounts. Implement real-time audit logging and alerting for account creation, authentication, privilege escalation, and access to Client Bundle component. Establish monitoring baselines for legitimate account activity and alert on deviations.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Data Quality
6 sources
Confidence: High

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 0.4%
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
Very High
Technical Impact
Total

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +50
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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