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Oracle WebCenter Content CVE-2026-87298

| EUVDEUVD-2026-106339 MEDIUM
Improper Privilege Management (CWE-269)
2026-10-20 secalert_us@oracle.com GHSA-42xm-v5x3-77mv
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 HTTP request to Content Server
  3. Execution
    Bypass access controls on stored content
  4. Impact
    Exfiltrate critical confidential data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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

Exploitation Conditions

Requires a valid low-privilege account on the target (CVSS PR:L) plus network HTTP access to the Oracle WebCenter Content Server component; affected supported versions are 12.2.1.4.0 and 14.1.2.0.0. No user interaction and no special non-default configuration is indicated, and attack complexity is low. The primary limiting factor is the authentication requirement - the attacker must first obtain or possess low-privilege credentials, which rules out purely anonymous exploitation despite the 'Authentication Bypass' tag; impact is confined to disclosure of confidential data (no integrity or availability effect).

Impact

This is a moderate-priority vulnerability per its CVSS 3.1 base score of 6.5. The vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) describes a network-reachable, low-complexity, no-user-interaction flaw that an attacker holding low-level privileges (PR:L) can leverage over HTTP to achieve a total loss of confidentiality (C:H) with no integrity or availability impact. No EPSS score, CISA KEV listing, or public POC was provided in the input, so there is no public exploit identified at time of analysis and no evidence of active exploitation; the real-world urgency therefore rests on the CVSS characteristics alone rather than any observed attacker interest. The confidentiality-only impact means this is a data-exposure issue, not a code-execution or service-disruption one, which tempers the raw severity. One notable conflict: the input Tags include 'Authentication Bypass', yet the CVSS vector specifies PR:L (valid low-privilege credentials required), which is logically inconsistent with a true pre-authentication bypass - the authoritative Oracle/NVD vector should be treated as correct and the tag as questionable. Verify with the Oracle October 2026 CPU advisory before classifying this as an unauthenticated bypass.

Exploit ScenarioDerived

An attacker who already holds a low-privilege account on an internet- or intranet-reachable Oracle WebCenter Content instance sends a crafted HTTP request to the Content Server component. Because attack complexity is low and no user interaction is needed, the request returns critical content the account should not be able to read, resulting in full disclosure of all WebCenter Content-accessible data. No public exploit code was identified at time of analysis, so exploitation would require independent development.

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

Oracle WebCenter Content 12.2.1.4.0 and 14.1.2.0.0 allow authenticated low-privilege users to read confidential Content Server data over HTTP, with CVSS 3.1 base score 6.5 reflecting high confidentiality impact and no integrity or availability effect. Exploitation requires a valid low-privilege account plus network access to the Content Server component; no user interaction or special configuration is indicated. No public exploit identified at time of analysis, and no CISA KEV confirmation was provided.

RemediationAI

Patch available per vendor advisory: apply the Oracle Critical Patch Update referenced at https://www.oracle.com/security-alerts/cpuoct2026.html for WebCenter Content 12.2.1.4.0 and 14.1.2.0.0; the provided data does not state an exact fixed build, so confirm the applicable patch level in the Oracle advisory before rollout. If patching is delayed, restrict HTTP access to the Content Server component to trusted networks or VPN, enforce least privilege and review role assignments for low-privilege accounts, and monitor for anomalous bulk content retrieval; network restrictions can break legitimate remote access, and tighter role controls may disrupt existing workflows. No public exploit was identified at time of analysis, but the low attack complexity and PR:L requirement make credential hygiene and access monitoring important compensating controls.

Affected VersionsENISA

Oracle WebCenter Content 12.2.1.4.0
Oracle WebCenter Content 14.1.2.0.0

Affected Packages

euvd oracle_webcenter_content 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 Content is an Oracle Fusion Middleware product whose Content Server component exposes HTTP interfaces for content management and retrieval. The authoritative CVSS vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, meaning an attacker with low-privilege credentials can reach the service over the network and disclose critical data without user interaction. CWE is not provided, so the root-cause class cannot be tied to a specific coding weakness from the available data. Although the supplied tag labels the issue 'Authentication Bypass', the PR:L vector requires a valid low-privilege account and should not be treated as anonymous pre-auth access.

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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; description explicitly requires a low-privileged attacker, so PR:L; impact is total confidentiality loss only, so C:H and 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 Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server). 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 Oracle WebCenter Content. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Content 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
enterprise Oracle Fusion Middleware ECM product; common but not universally deployed
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.

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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