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Oracle WebCenter Content EUVDEUVD-2026-37324

| CVE-2026-46806 HIGH
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2026-06-16 oracle
8.2
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
    Identify exposed WebCenter Content Server 14.1.2.0.0
  2. Delivery
    Craft malicious HTTPS link targeting vulnerable endpoint
  3. Exploit
    Deliver link to authenticated WebCenter user
  4. Execution
    Victim interaction triggers flaw in Content Server
  5. Persist
    Scope change extends action into federated Fusion component
  6. Impact
    Exfiltrate or tamper with accessible content

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Redirect URL validation
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Exploitation Conditions

Target must be Oracle WebCenter Content 14.1.2.0.0 with the Content Server component reachable over HTTPS from the attacker (per AV:N), and a legitimate user - explicitly stated by Oracle as 'a person other than the attacker' - must perform an interaction such as clicking a crafted link or loading a crafted page (UI:R). No attacker credentials are required (PR:N), and exploitation is rated low complexity (AC:L) against the default 14.1.2.0.0 configuration. Limiting factors: the required victim interaction means there is no autonomous/wormable exploitation, and the meaningful blast radius depends on the victim having privileged access in the federated products reached via the scope change.

Impact

Signals diverge and need to be weighed carefully. CVSS 3.1 is 8.2 (High) driven by AV:N/AC:L/PR:N plus scope change and C:H, which would normally argue for prioritisation; however UI:R means an authenticated WebCenter user (or admin) must be lured into triggering the flaw, and A:N + I:L mean no service disruption and only partial integrity impact. There is no EPSS score, no KEV listing, no public POC, and Oracle's CPU advisories are typically released with limited technical detail, so mass exploitation is unlikely in the short term. The tag 'Authentication Bypass' in the third-party feed conflicts with Oracle's own text (which describes scope-changing data exposure, not auth bypass) and should not be trusted without corroboration. Net: a real priority for any internet-exposed or partner-facing WebCenter 14.1.2.0.0 deployment, but lower urgency than a no-UI RCE; patch in the next Oracle CPU cycle rather than emergency-out-of-band unless your WebCenter is internet-facing.

Exploit ScenarioDerived

An attacker emails or messages a malicious HTTPS link pointing at the target organisation's WebCenter Content Server; when an authenticated WebCenter user opens it, the Content Server endpoint reflects or processes attacker-controlled content in the user's authenticated context, which the scope change lets the attacker pivot into a federated Fusion Middleware component (for example exfiltrating session material or documents the user can reach). No public exploit was identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 16, 2026

Cross-context compromise of Oracle WebCenter Content 14.1.2.0.0 (Content Server component) allows a remote unauthenticated attacker over HTTPS to gain high-impact read access and limited write access to managed content, with effects that cross trust boundaries into additional Oracle Fusion Middleware products (scope change). Exploitation requires a victim to interact with attacker-controlled input (UI:R), and at the time of analysis there is no public exploit identified and the issue is not listed in CISA KEV.

RemediationAI

Apply the fixes from the Oracle Critical Patch Update of June 2026 referenced at https://www.oracle.com/security-alerts/cspujun2026.html - Oracle publishes per-product patch numbers in that bulletin and those are the authoritative versions to deploy on 14.1.2.0.0; no exact post-patch build is independently confirmed outside the CPU. Until the CPU is applied, restrict network access to the Content Server HTTPS endpoint to trusted networks or VPN only, place an authenticating reverse proxy (OHS/WAF) in front and enforce strict Content-Security-Policy, Referrer-Policy and X-Frame-Options to blunt the UI:R/scope-change vector, and advise WebCenter users not to follow untrusted links into Content Server - the trade-off is that proxy/WAF rules and CSP can break legitimate WebCenter portlet integrations and federated SSO flows, so test in a staging tenant first.

Affected VersionsENISA

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 platform inside Oracle Fusion Middleware, and the affected component - Content Server - is the core HTTP/HTTPS-facing service that stores, indexes, and renders managed documents and metadata. The CPE cpe:2.3:a:oracle_corporation:oracle_webcenter_content scopes the flaw to that product family on version 14.1.2.0.0, and the CVSS scope change (S:C) indicates the vulnerable Content Server component can act on resources protected by a different security authority - typical of WebCenter deployments that federate with WebLogic, IDCS/IAM, or downstream Fusion apps. No CWE was published by Oracle, but the combination 'unauthenticated network attacker + UI:R + scope change + C:H/I:L' is characteristic of a client-side injection or response-splitting style flaw (for example reflected XSS or HTML/URL injection in a Content Server endpoint) that lets attacker-controlled markup execute in an authenticated user's session and reach federated resources; this should be treated as inference until Oracle publishes details.

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Severity by source

Vendor (oracle) PRIMARY 8.2 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
vuln.today AI 8.2 HIGH

Network-reachable Content Server, low complexity, no auth (PR:N), victim click required (UI:R), scope change into federated Fusion components, high confidentiality and partial integrity, no availability impact.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server). The supported version that is affected is 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle WebCenter Content. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Content, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Content accessible data as well as unauthorized update, insert or delete access to some of Oracle WebCenter Content accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N).

Executive ViewAI

Why It Matters

Oracle WebCenter Content 14.1.2.0.0 (Content Server) is vulnerable to unauthenticated remote compromise of managed content with cross-system impact into other Oracle Fusion Middleware products when users interact with attacker-controlled input. This vulnerability threatens both the confidentiality and integrity of enterprise content repositories.

Business Impact: High
Compensating Controls

Restrict user access to untrusted external content through email and web gateway controls; enforce least-privilege access controls on Content Server operations; implement input validation and content filtering; segment WebCenter Content networks from other Oracle Fusion Middleware systems; conduct user security awareness training on content verification.

Threat Intelligence Overview

EPSS Score
0.3%
Top 77% exploitable
Data Quality
5 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 HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Partial

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +41
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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