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WebCenter Imaging EUVDEUVD-2026-106418

| CVE-2026-87378 MEDIUM
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-j527-5hfr-qwfv
6.5
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 account
  2. Delivery
    Send crafted HTTP request to Core
  3. Exploit
    Bypass authorization checks
  4. Execution
    Read unauthorized imaging data
  5. Impact
    Exfiltrate sensitive documents

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to hold a valid low-privileged account on the target WebCenter Content: Imaging instance (CVSS PR:L - authenticated), with network HTTP access to the Core component; no user interaction and no non-default configuration are stated as prerequisites. The primary limiting factor is the authentication requirement: the attacker needs working credentials or self-registration ability on the Imaging application. Impact is confined to confidentiality - unauthorized read access to critical or all Imaging-accessible data - with no integrity or availability effect, so this cannot be used alone to alter data or take the service offline. Affected deployments are Oracle Fusion Middleware WebCenter Content: Imaging versions 12.2.1.4.0 and 14.1.2.0.0.

Impact

This is a moderate-priority vulnerability that should be patched in the normal Oracle Critical Patch Update cycle rather than treated as an emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, score 6.5) describes a network-reachable, low-complexity attack requiring only low-level privileges and no user interaction, with impact limited strictly to confidentiality (C:H, I:N, A:N) - an attacker can read all data accessible to WebCenter Content: Imaging but cannot modify data or disrupt availability. No EPSS score, SSVC decision data, KEV listing, or POC was provided in the input, so exploitation-probability signals are absent; there is no public exploit identified at time of analysis and no evidence of active exploitation. The one notable conflict is the input tag 'Authentication Bypass', which contradicts the CVSS metric PR:L (the description explicitly states a 'low privileged attacker'); a genuine authentication bypass would imply PR:N, so this tag appears mislabeled and should not be used to escalate urgency. Overall this reads as a real but not critical issue: the authenticated prerequisite and confidentiality-only impact meaningfully reduce real-world risk compared to the raw 6.5 score.

Exploit ScenarioDerived

An attacker who already holds a low-privileged WebCenter Content: Imaging account (for example a basic authenticated user) sends crafted HTTP requests to the Core component to access documents and data they should not be authorized to view. Because attack complexity is low and no user interaction is needed, a single compromised or self-registered low-tier credential can be leveraged to exfiltrate sensitive imaging content. No public exploit code was identified at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Low-privileged authenticated users of Oracle WebCenter Content: Imaging 12.2.1.4.0 and 14.1.2.0.0 can read critical or all application-accessible data through the Core component over HTTP. The flaw is remotely reachable with low attack complexity and no user interaction, but requires a valid low-privileged account; impact is confidentiality-only, with no integrity or availability effect. No public exploit or CISA KEV entry was identified at time of analysis, so this should be handled in the normal Oracle Critical Patch Update cycle.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html); the supplied data does not include an exact patched build number, so confirm the fixed release in the CPU documentation before upgrading. Patch availability is per the vendor advisory, and this is a moderate-priority issue suitable for the normal CPU cycle rather than emergency response. Until patched, restrict HTTP access to the WebCenter Content: Imaging Core component to trusted networks or a reverse proxy, enforce least privilege and strong authentication on Imaging accounts, and monitor for anomalous bulk-read or enumeration activity. Network restrictions can disrupt legitimate remote users, and tighter account controls may increase help-desk load; because impact is confidentiality-only, prioritize these controls over availability-focused mitigations.

Affected VersionsENISA

WebCenter Content: Imaging 14.1.2.0.0
WebCenter Content: Imaging 12.2.1.4.0

Affected Packages

euvd webcenter_content_imaging 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 Fusion Middleware WebCenter Content: Imaging is an enterprise document imaging and content management extension that exposes HTTP services for managing and retrieving imaged content. The affected Core component has an authorization/access-control weakness: the assessed vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, meaning an attacker who already holds a low-privileged Imaging account can use network HTTP access to read data beyond the account’s intended scope. No CWE identifier or CPE strings were supplied; ENISA EUVD lists the affected releases as 14.1.2.0.0 and 12.2.1.4.0. The supplied tag “Authentication Bypass” is not fully corroborated by the PR:L vector and should be interpreted as an access-control flaw abused by a low-privileged authenticated user, not as an unauthenticated bypass.

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Severity by source

Vendor (oracle) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Network HTTP vector with low complexity and no UI; the description's 'low privileged attacker' justifies PR:L, and impact is confidentiality-only so I:N/A:N.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Vulnerability in the WebCenter Content: Imaging product of Oracle Fusion Middleware (component: Core). 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 HTTP to compromise WebCenter Content: Imaging. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all WebCenter Content: Imaging accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
Medium
Oracle enterprise ECM middleware, common in large orgs but not everywhere
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
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.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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