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Oracle WebCenter Content EUVDEUVD-2026-37401

| CVE-2026-35270 CRITICAL
Improper Access Control (CWE-284)
2026-06-16 oracle
9.1
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 WebCenter Content admin credential
  2. Delivery
    Reach Content Server over HTTP
  3. Exploit
    Invoke vulnerable privileged function
  4. Execution
    Take over Content Server
  5. Persist
    Cross scope into adjacent Fusion Middleware product
  6. Impact
    Exfiltrate or tamper with enterprise content

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

Attacker must (1) hold a high-privileged Oracle WebCenter Content account (PR:H - administrator-equivalent role on the Content Server), (2) have HTTP/HTTPS network reachability to the Content Server instance, and (3) be targeting a supported version 12.2.1.4.0 or 14.1.2.0.0 prior to the June 2026 CPU. No user interaction is required (UI:N) and attack complexity is low (AC:L). Limiting factors: the PR:H requirement means the bug is not exploitable by anonymous or low-privileged users, so realistic exposure depends on how broadly Content Server admin credentials are issued and whether the admin HTTP interface is reachable from untrusted networks.

Impact

The CVSS 3.1 vector AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H yields 9.1 because the scope change and full CIA impact outweigh the PR:H requirement - meaning a legitimate high-privileged Content Server account (an administrator or equivalent role) can compromise both WebCenter Content and adjacent products. EPSS and SSVC values were not provided in the input, and the CVE is not on the CISA KEV list, so there is no signal of active exploitation. No POC is referenced. Realistic risk is therefore high in environments where WebCenter Content administrator credentials are reachable from networks an attacker can already touch (insider threat, credential theft, or chained compromise from a lower-privileged Fusion Middleware bug), but lower for hardened deployments where admin access is tightly segmented. PR:H plus the absence of public exploitation suggests this is a serious patch-this-quarter item rather than an emergency drop-everything fix.

Exploit ScenarioDerived

An attacker who has obtained a WebCenter Content administrator credential - through phishing, password reuse, or chaining from a separate Fusion Middleware vulnerability - authenticates to the Content Server over HTTP from anywhere on the network and invokes the vulnerable privileged function to take full control of WebCenter Content. Because the issue is scope-changing, the same action also lets them reach and tamper with adjacent products such as the underlying WebLogic domain or integrated repositories. No public exploit is identified at time of analysis, so an attacker would currently need to develop the technique from the Oracle advisory and binary diffing of the CPU.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 16, 2026

Privileged takeover of Oracle WebCenter Content (Content Server component) affects supported versions 12.2.1.4.0 and 14.1.2.0.0, enabling a high-privileged attacker with HTTP network access to fully compromise the instance and pivot to additional Fusion Middleware products via a scope change. The CVSS 3.1 base score is 9.1 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H), reflecting low attack complexity and full CIA impact. No public exploit identified at time of analysis, and the flaw is not listed in CISA KEV.

RemediationAI

Patch available per vendor advisory: apply the fixes for Oracle WebCenter Content shipped in the June 2026 Oracle Critical Patch Update (https://www.oracle.com/security-alerts/cspujun2026.html) to both the 12.2.1.4.0 and 14.1.2.0.0 branches, following Oracle's standard CPU prerequisites and the WebCenter Content patch readme. Until the CPU is applied, reduce the population of accounts with administrative or privileged Content Server roles, rotate any shared admin credentials, and restrict HTTP/HTTPS access to the Content Server admin endpoints to a management VLAN or jump-host - accepting the trade-off that legitimate remote administration workflows will need to traverse that path. Enable and centrally collect Content Server and WebLogic audit logs to detect anomalous use of privileged operations, and review trust relationships with adjacent Fusion Middleware products given the scope-change nature of the bug.

Affected VersionsENISA

Oracle WebCenter Content 14.1.2.0.0
Oracle WebCenter Content 12.2.1.4.0

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 in the Fusion Middleware stack, used for documents, records, digital assets, and imaging. The vulnerable component is the Content Server, which exposes administrative and content APIs over HTTP/HTTPS and integrates with WebLogic, IDM, and other Fusion Middleware services. The CPE cpe:2.3:a:oracle_corporation:oracle_webcenter_content:*:*:*:*:*:*:*:*, combined with the advisory text, scopes impact to the 12.2.1.4.0 and 14.1.2.0.0 branches. No CWE has been assigned by Oracle, but the scope-change (S:C) plus full CIA impact pattern in Oracle CPU advisories typically corresponds to authenticated abuse of a privileged Content Server function that can reach trust-bounded resources such as the underlying WebLogic domain or shared datastores.

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Severity by source

Vendor (oracle) PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
vuln.today AI 9.1 CRITICAL

HTTP-reachable Content Server (AV:N, AC:L), requires admin-level Content Server account (PR:H), no UI, takeover plus impact on adjacent products gives S:C and C/I/A:H.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

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 high privileged attacker with network access via HTTP to compromise Oracle WebCenter Content. While the vulnerability is in Oracle WebCenter Content, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Content. CVSS 3.1 Base Score 9.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle WebCenter Content versions 12.2.1.4.0 and 14.1.2.0.0 contain a CRITICAL privilege-escalation vulnerability (CVE-2026-35270, CVSS 9.1) permitting authenticated high-privilege users to fully compromise content servers and pivot to connected Fusion Middleware infrastructure. While no public exploit is identified at time of analysis, affected organizations face immediate risk of data exfiltration, malicious content injection, and lateral movement across enterprise systems. Remediation urgency is elevated by the absence of an available vendor patch.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Restrict administrative console access to mission-critical personnel; (2) Enforce network controls limiting WebCenter Content connectivity to trusted internal networks only; (3) Implement real-time alerting on all administrative authentication and content modifications; (4) Conduct immediate privileged access reviews and disable unused administrative accounts; (5) Deploy enhanced monitoring in SIEM for unusual high-privilege account behavior; (6) Consider temporary operational restrictions for non-critical content access pending patch availability.

Threat Intelligence Overview

EPSS Score
0.5%
Top 61% 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 0.5%
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
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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Takeover of Oracle WebCenter Content 12.2.1.4.0 and 14.1.2.0.0 is achievable by a low-privileged remote attacker over HT

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CVE-2026-46766 CRITICAL
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CVE-2026-35319 CRITICAL
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Remote unauthenticated takeover of Oracle WebCenter Content 12.2.1.4.0 and 14.1.2.0.0 is possible via the Content Server

CVE-2026-35286 CRITICAL
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Account takeover in Oracle WebCenter Content 14.1.2.0.0 (Content Server component) allows a remote unauthenticated attac

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Cross-scope compromise in Oracle WebCenter Content 14.1.2.0.0 (Content Server component) allows an unauthenticated remot

CVE-2026-46795 CRITICAL
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Cross-product compromise of Oracle WebCenter Content 14.1.2.0.0 (Fusion Middleware Content Server) allows a remote unaut

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