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Oracle WebCenter Content CVE-2026-46795

| EUVDEUVD-2026-37313 CRITICAL
Improper Access Control (CWE-284)
2026-06-16 oracle
9.3
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 14.1.2.0.0 instance
  2. Delivery
    Craft malicious link or page targeting Content Server
  3. Exploit
    Deliver via phishing to authenticated user
  4. Execution
    Victim browser issues forged HTTP request
  5. Persist
    Content Server executes action under victim session
  6. Impact
    Read/modify managed content and cross-scope Oracle data

Vulnerability Assessment

Weakness
CWE
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

Requires (1) a reachable Oracle WebCenter Content 14.1.2.0.0 Content Server instance over HTTP/HTTPS, and (2) human interaction from a different user than the attacker (UI:R) - typically a currently authenticated WebCenter Content user, most impactfully an administrator or contributor, who must follow an attacker-supplied link or load attacker content in their browser. Exploitation is limited to this exact Fusion Middleware version (14.1.2.0.0), needs the victim to have an active authenticated session for the cross-scope impact to land on other Oracle products, and the attacker themselves is unauthenticated to WebCenter Content (PR:N) but does not need any pre-existing foothold.

Impact

Signals are mixed but lean toward high real-world risk: CVSS 3.1 is 9.3 with AV:N/AC:L/PR:N and a scope change (S:C) reflecting cross-product blast radius, which Oracle itself rated 'easily exploitable.' UI:R is the principal limiter - a logged-in user (likely a content author/administrator with active session) must be lured into clicking or visiting attacker content, which moves this away from worm-style mass exploitation toward phishing or watering-hole abuse against privileged operators. EPSS, KEV, and POC data are not provided in the input, so probability of in-the-wild use cannot be quantified; absence of a published CWE and any third-party reference beyond Oracle's CPU page also means independent technical corroboration is currently limited. The 'Authentication Bypass' tag conflicts mildly with UI:R (true bypasses usually don't need a victim), which should be verified against Oracle's advisory wording before treating it as an unauthenticated takeover.

Exploit ScenarioDerived

An attacker emails a Content Server administrator a link to an attacker-controlled page; when the admin (already logged into WebCenter Content) visits it, the page issues a crafted HTTP request to the Content Server, which carries the victim's session and performs unauthorized reads or modifications of managed content and, due to scope change, of data in an integrated Oracle product. No public exploit is identified at time of analysis, but Oracle's own 'easily exploitable' rating suggests reliable weaponization is plausible once the advisory details are reverse-engineered.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 16, 2026

Cross-product compromise of Oracle WebCenter Content 14.1.2.0.0 (Fusion Middleware Content Server) allows a remote unauthenticated attacker to abuse a victim's browser session to gain high-impact read and write access to all WebCenter Content data, with scope change extending the impact to additional Oracle products. The CVSS 3.1 base score is 9.3 with a scope-changed vector requiring user interaction (UI:R), and no public exploit identified at time of analysis.

RemediationAI

Apply Oracle's June 2026 Critical Patch Update for Fusion Middleware as documented at https://www.oracle.com/security-alerts/cspujun2026.html; an exact patched build string is not enumerated in the provided data, so treat this as 'Patch available per vendor advisory' and pull the precise patch number from My Oracle Support for WebCenter Content 14.1.2.0.0. Until the CPU is deployed, restrict Content Server's HTTP/HTTPS endpoints to trusted networks or VPN, place a WAF in front of the UI to filter suspicious links and cross-origin requests, enforce strict same-site and CSRF tokens at the reverse-proxy layer, and warn privileged Content Server users (administrators, contributors) against clicking unsolicited links to the application - recognising that proxy-level filtering may break some legitimate WebCenter integrations and that browser-vector mitigations only reduce, not eliminate, the UI:R exploitation path.

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 server component of Oracle Fusion Middleware 14c (14.1.2.0.0), responsible for document, records, and digital asset management across integrated Oracle stacks. The CPE 'cpe:2.3:a:oracle_corporation:oracle_webcenter_content' confirms the Content Server subcomponent is the vulnerable surface. CWE is unassigned by Oracle (typical for CPU advisories), but the vector (AV:N/AC:L/PR:N/UI:R/S:C with C:H/I:H/A:N) combined with the 'Authentication Bypass' tag is most consistent with a client-side / HTTP-borne flaw - likely reflected XSS, CSRF, or a request-forgery-style weakness in the Content Server web UI - where a victim's authenticated browser context is leveraged to perform privileged actions and reach adjacent Oracle components.

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Severity by source

Vendor (oracle) PRIMARY 9.3 CRITICAL
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
vuln.today AI 9.3 CRITICAL

Network-reachable HTTP endpoint with no attacker auth (AV:N/AC:L/PR:N); requires victim interaction (UI:R); scope change to other Oracle products (S:C); high confidentiality and integrity impact, no availability effect.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/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
High
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 HTTP 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 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 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N).

Executive ViewAI

Why It Matters

Oracle WebCenter Content 14.1.2.0.0 (Fusion Middleware Content Server) contains a critical vulnerability (CVSS 9.3) enabling remote unauthenticated attackers to compromise user browser sessions and gain unauthorized read and write access to all stored content, with potential scope escalation affecting dependent Oracle systems. No vendor patch is currently available, creating an indefinite exposure window for data theft and unauthorized modification of sensitive content repositories. Organizations using this product face immediate risk to data confidentiality, integrity, and potentially downstream systems.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations pending vendor patch release: (1) restrict WebCenter Content network access to trusted networks and VPNs only; (2) deploy browser-based session protections (Content Security Policy, session pinning, X-Frame-Options); (3) enable detailed audit logging of all content reads, writes, and access modifications; (4) disable WebCenter Content access for non-essential user accounts; (5) implement real-time monitoring for anomalous session behavior and bulk data access; (6) conduct user security awareness training emphasizing phishing and session hijacking risks, as exploitation requires user interaction.

Threat Intelligence Overview

EPSS Score
0.4%
Top 70% 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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Very High
Technical Impact
Total

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
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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