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WebCenter Imaging EUVDEUVD-2026-106433

| CVE-2026-87392 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-pj5g-fqq7-7vc7
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
    Authenticate with low-privilege account
  2. Exploit
    Send crafted SOAP request to Core
  3. Execution
    Bypass authorization on Imaging operation
  4. Impact
    Create/modify/delete critical data

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 an authenticated low-privileged account (PR:L) on the target and network access to the WebCenter Content: Imaging SOAP web-service interface of the Core component; the specific condition is the ability to reach and invoke SOAP operations against Oracle WebCenter Content: Imaging 14.1.2.0.0. Limiting factors: the attacker must already possess valid credentials (not fully anonymous), and only the Imaging product's integrity is at risk - there is no confidentiality or availability impact and no user interaction is needed. Real-world exposure is highest where the Imaging SOAP endpoint is reachable by many lower-tier or multi-tenant users; it is substantially reduced where the endpoint is network-segmented or restricted to trusted administrators.

Impact

This is a moderate-priority vulnerability (CVSS 3.1 base 6.5) whose signals are internally consistent but point to a targeted rather than mass-exploitation threat. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N) describes a network-reachable, low-complexity attack requiring only low privileges (PR:L) and no user interaction, with impact limited to integrity (I:H) - no confidentiality or availability loss. No EPSS score, CISA KEV listing, SSVC decision data, or public POC was provided, so there is no evidence of active or probable near-term exploitation; exploitation status is 'no public exploit identified at time of analysis.' The authenticated-but-low-privilege requirement (PR:L) meaningfully constrains real-world risk: an attacker must already hold a valid, if unprivileged, account on the WebCenter Content: Imaging instance. Note a likely metadata conflict: the input Tag 'Authentication Bypass' contradicts the CVSS vector, which requires privileges (PR:L) and therefore is NOT an authentication bypass - verify the tag against the Oracle advisory. Because integrity-only Oracle Fusion Middleware flaws are rarely mass-exploited and this one needs prior authentication, treat it as an important patch-cycle item (Oracle CPU October 2026) rather than an emergency, prioritizing internet-exposed or multi-tenant Imaging deployments.

Exploit ScenarioDerived

A low-privileged user with a valid account on an internet- or intranet-reachable WebCenter Content: Imaging instance sends a crafted SOAP request to the Core component that bypasses object-level authorization checks. The request creates, modifies, or deletes critical imaging data the attacker should not be able to touch, corrupting business records without affecting confidentiality or availability. No public exploit code or active exploitation has been identified; the low attack complexity (AC:L) means a working exploit would be straightforward once the exact SOAP operation is known.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Authenticated integrity compromise of Oracle WebCenter Content: Imaging 14.1.2.0.0 is achievable over the network through the product's SOAP web-service interface, where a low-privileged account can create, delete, or modify critical Imaging data without any user interaction. Confidentiality and availability are untouched - the entire CVSS 3.1 base score of 6.5 derives from a High integrity impact with PR:L, AC:L, and AV:N, meaning the only real barrier is holding valid low-tier credentials. There is no CISA KEV listing and no public exploit identified at time of analysis, so risk is concentrated in environments where the Imaging SOAP endpoint is broadly reachable by multi-tenant or delegated users rather than in mass internet-wide scanning.

RemediationAI

Apply the Oracle Fusion Middleware Critical Patch Update for October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html), which is the vendor-released remediation for CVE-2026-87392; the advisory is the authoritative source for the exact patched bundle or patch number, as a specific fix version was not included in the available intelligence, so validate the target version against the advisory before closing the finding. Where patching must be staged, compensate by restricting network reachability to the Imaging SOAP endpoint - segment or ACL it to trusted integration hosts and administrative networks rather than exposing it to the general user population - accepting that tightly scoped allowlists will break legitimate remote clients and integration middleware until they are enumerated. In parallel, review which accounts can reach the SOAP interface and revoke Imaging access from delegated or multi-tenant users who do not require write operations, since the vulnerability is gated only by PR:L; note that this least-privilege tightening may interrupt existing business workflows and should be piloted. Finally, enable and monitor Imaging audit logging for unexpected create, delete, or modify SOAP calls on critical records, understanding that integrity-only attacks leave no confidentiality or availability signal and are therefore only detectable through write-anomaly monitoring rather than outage or data-loss alerting.

Affected VersionsENISA

WebCenter Content: Imaging 14.1.2.0.0

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

The affected surface is the Core component of Oracle WebCenter Content: Imaging, an enterprise content management module inside Oracle Fusion Middleware that exposes document capture, annotation, and workflow operations to clients via SOAP web services. The published CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N) describes an attack that is fully remote and requires no special conditions beyond a valid low-privileged session, but yields no read or denial-of-service effect - only write-level tampering with data the attacker should not be able to alter. Because the reporting tags classify the issue as an authentication bypass and no CWE was assigned, the precise root cause class is undisclosed; the vector shape is nonetheless consistent with an authorization or identity-assumption weakness in SOAP operation handling, where the service accepts calls that should be gated by role or ownership checks. Integrity-only impact on an imaging repository is consequential in its own right: altered or deleted records, metadata, and workflow state can corrupt audit trails, business records, and downstream retention or compliance obligations.

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Severity by source

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

Network SOAP access gives AV:N/AC:L; the flaw needs a valid low-privilege account so PR:L; impact is integrity-only (I:H, C:N, A:N), scope unchanged.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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
None
Integrity
High
Availability
None

DescriptionCVE.org

Vulnerability in the WebCenter Content: Imaging product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via SOAP to compromise WebCenter Content: Imaging. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all WebCenter Content: Imaging accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).

Threat Intelligence Overview

EPSS Score
0.3%
Top 77% exploitable
Prevalence
Medium
enterprise Oracle Fusion Middleware component, deployed but not ubiquitous
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 0.3%
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.

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