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Oracle WebCenter Content EUVDEUVD-2026-106414

| CVE-2026-87374 MEDIUM
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-59hm-g7g4-36g6
6.8
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
    Obtain low-privileged WebCenter account
  2. Delivery
    Send crafted HTTP requests to Content Server
  3. Exploit
    Satisfy complex exploitation conditions
  4. Execution
    Gain unauthorized access to all content data
  5. Impact
    Read, modify or delete critical data

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 an attacker to already possess a valid low-privileged account on Oracle WebCenter Content (PR:L) and network HTTP access to the Content Server component; it is not remotely unauthenticated. The high attack complexity (AC:H) indicates additional non-default or race/condition-dependent factors must be satisfied that are outside the attacker's direct control, making reliable exploitation difficult. No user interaction is needed (UI:N). Affected deployments are limited to Oracle WebCenter Content versions 12.2.1.4.0 and 14.1.2.0.0. The combination of required authentication and high complexity are the primary limiting factors reducing realistic risk below the raw base score.

Impact

This is a mid-severity issue (CVSS 3.1 base 6.8) whose real-world priority is tempered by several limiting factors in the vector itself. While the attack vector is network (AV:N) over HTTP, the vulnerability carries high attack complexity (AC:H) and requires an already-authenticated low-privileged account (PR:L), meaning an attacker must first obtain valid credentials and then overcome non-trivial conditions to succeed. Impact is significant where it lands - high confidentiality and high integrity (C:H/I:H) with no availability impact (A:N) - allowing unauthorized read, creation, deletion or modification of all WebCenter Content-accessible data within an unchanged scope (S:U). No EPSS score, CISA KEV listing, or public proof-of-concept was provided in the input, so there is no exploitation-probability or active-exploitation signal to corroborate urgency; at time of analysis there is no public exploit identified. The combination of AC:H plus PR:L strongly suggests this is an authenticated, hard-to-exploit flaw rather than a mass-exploitable internet-facing threat, so it ranks below default-config unauthenticated RCEs. Note a tag conflict: the input Tags include 'Authentication Bypass', which contradicts the CVSS PR:L and the description (a low-privileged attacker is required, not an authentication bypass) - verify the classification with Oracle's advisory.

Exploit ScenarioDerived

An attacker who already holds a low-privileged WebCenter Content account sends crafted HTTP requests to the Content Server component, exploiting the flaw to read, alter, or delete content they should not be able to reach. Because of the high attack complexity, success depends on specific conditions being met, so exploitation is non-trivial and not reliably repeatable. No public exploit code was identified at the time of analysis.

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

Oracle WebCenter Content (Content Server component) versions 12.2.1.4.0 and 14.1.2.0.0 permit a low-privileged authenticated attacker who can reach the Content Server over HTTP to read, create, modify, or delete critical content repository data, yielding high confidentiality and integrity impact (CVSS 3.1 base 6.8). Exploitation is not unauthenticated: the assessed vector requires a valid low-privileged account (PR:L) plus network access, and the high attack complexity (AC:H) reflects additional conditions outside the attacker's direct control. No public exploit code or confirmed active exploitation (CISA KEV) was identified at time of analysis, and no EPSS score was supplied, so risk is driven primarily by exposure of the Content Server interface and the population of low-privileged accounts rather than by imminent exploitation.

RemediationAI

Apply the Oracle Critical Patch Update for October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html), which is the vendor-published remediation for this issue; confirm the exact patched build for 12.2.1.4.0 and 14.1.2.0.0 in that advisory before upgrading, since no specific fix version number was included in the source data. Until patching completes, reduce exposure by restricting HTTP access to Content Server administrative and content-management endpoints to trusted network ranges or VPN (trade-off: breaks remote and partner access workflows), by auditing and minimizing accounts holding any Content Server privileges so that few principals satisfy the PR:L prerequisite (trade-off: may require role consolidation and re-approval of existing users), and by alerting on anomalous bulk create/modify/delete operations or unusual content-access patterns in Content Server logs originating from low-privileged accounts. If the Content Server is internet-facing, front it with a reverse proxy enforcing authentication and rate limiting as a compensating control, accepting the added latency and operational overhead.

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 the enterprise content-management/document repository tier of Oracle Fusion Middleware, and its Content Server component exposes HTTP(S) services for check-in/check-out, workflow, search, and library management. The affected releases are 12.2.1.4.0 and 14.1.2.0.0 (matching the EUVD affected-version list and the Oracle Critical Patch Update reference). No CWE identifier was supplied in the source data, so the root-cause class cannot be formally mapped; the observable behavior is a missing or insufficient authorization/validation check in the Content Server that lets a principal holding only baseline privileges escalate the effect of its requests to full create/read/update/delete rights over repository content. The CVSS vector AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N with scope unchanged indicates the flaw stays within the Content Server's security authority, that no victim interaction is needed, and that successful exploitation touches both confidentiality and integrity while availability is unaffected. The AC:H rating means preconditions such as race conditions, specific server configuration, or state-dependent request sequencing must align; the 'Authentication Bypass' tag on the report should be read alongside the authoritative PR:L vector - the practical prerequisite is an existing low-privileged account, not anonymous access.

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Severity by source

Vendor (oracle) PRIMARY 6.8 MEDIUM
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
vuln.today AI 6.8 MEDIUM

Network HTTP access (AV:N) but authenticated low-privileged user (PR:L) and difficult, condition-dependent exploitation (AC:H); high confidentiality and integrity impact, no availability effect.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
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. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Content. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebCenter Content accessible data as well as unauthorized access to critical data or complete access to all Oracle WebCenter Content accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).

Threat Intelligence Overview

EPSS Score
0.3%
Top 79% exploitable
Prevalence
Medium
enterprise content management suite, common but not ubiquitous in large orgs
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

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
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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