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Oracle WebCenter Content CVE-2026-61295

| EUVDEUVD-2026-61358 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-w46h-2m66-qf67
7.1
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
    Gain OS-level logon on Content Server host
  2. Delivery
    Access Content Server locally without Oracle credentials
  3. Exploit
    Exploit authentication bypass in Content Server
  4. Execution
    Exfiltrate all managed content data
  5. Impact
    Pivot to co-located Fusion Middleware components via scope change

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
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

Exploitation requires that the attacker hold an interactive or programmatic OS-level logon session on the infrastructure host running Oracle WebCenter Content Content Server - this is the hard prerequisite imposed by AV:L. No Oracle WebCenter Content application credentials are required (PR:N), meaning any local OS user, including low-privileged accounts, may be able to exploit the bypass. The vulnerability applies to versions 12.2.1.4.0 and 14.1.2.0.0 with no non-default configuration trigger identified in the description, suggesting Content Server is vulnerable in its standard installed state. What limits exploitation: the vulnerability is not remotely exploitable over a network without prior infrastructure access; there is no user interaction requirement (UI:N) once local access exists. The scope change means co-located Fusion Middleware components may also be impacted beyond the primary Content Server target.

Impact

The CVSS 3.1 score of 7.1 reflects a meaningful but locally-constrained risk. The local attack vector (AV:L) is the primary limiting factor: exploitation is impossible without a prior foothold on the host OS, which sharply reduces the exposed attack surface compared to network-reachable vulnerabilities. However, PR:N is significant - once local access is achieved, no Oracle application credentials are needed, lowering the exploitation barrier for insiders, compromised service accounts, or attackers who have laterally moved to the server. The scope change (S:C) elevates concern in Oracle Fusion Middleware environments where multiple high-value components share infrastructure. No EPSS score was provided, and the CVE is absent from the CISA KEV catalog, so automated or widespread exploitation is not confirmed. No POC has been identified. Real-world priority is highest for organizations with shared-server deployments, multi-tenant infrastructure, or elevated insider threat exposure. The absence of integrity and availability impacts (I:N/A:N) confines blast radius to data exfiltration only.

Exploit ScenarioDerived

An attacker who has obtained a local OS session on the WebCenter Content server - via lateral movement from another compromised host, a malicious insider account, or a shared service account - interacts with the Content Server component without supplying Oracle application credentials, exploiting the authentication bypass to gain full read access to all managed documents and data. Due to the scope change, the attacker may then pivot to additional Oracle Fusion Middleware components running on the same host. No public exploit code has been identified, but the low attack complexity (AC:L) means no specialized tooling is required beyond local access.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 19, 2026

Local authentication bypass in Oracle WebCenter Content 12.2.1.4.0 and 14.1.2.0.0 allows any user with OS-level logon access to the hosting infrastructure to read all data managed by the Content Server component without Oracle application credentials. The scope change designation (S:C in the CVSS vector) indicates successful exploitation may further compromise additional Oracle Fusion Middleware products co-located on the same host. No public exploit code has been identified and this CVE is not listed in the CISA KEV catalog at time of analysis.

RemediationAI

Apply Oracle's Critical Security Patch Update for August 2026 as published at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses CVE-2026-61295. The exact patched build version is not independently confirmed from the available reference data - consult the Oracle advisory and My Oracle Support directly for the precise patched artifact. If immediate patching is not feasible, restrict OS-level interactive and programmatic logon access to the WebCenter Content host to the minimum required service accounts and administrators, directly removing the AV:L prerequisite for the majority of potential attackers. Audit and remove unnecessary local OS user accounts on the Content Server host. Enforce jump-host or bastion access controls with MFA for any administrative sessions to this server; note this does not mitigate insider threats from users who retain legitimate access. Review and tighten file system and process-level permissions on WebCenter Content installation directories to limit what a local session can interact with. Monitor host authentication logs for unexpected interactive logins as a detective control.

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 an enterprise content management platform within Oracle Fusion Middleware, providing document storage, records management, digital asset management, and access-controlled content retrieval via the Content Server component. The CVSS vector AV:L/PR:N describes a local attack that does not require Oracle application credentials - the attacker needs only an OS-level session on the server where Content Server is running, after which authentication to the application can be bypassed. The reporter tag 'Authentication Bypass' corroborates this interpretation. No CWE has been assigned, so the precise code-level root cause - whether an improper authorization check, insecure local inter-process communication, or file permission flaw - is not publicly confirmed. Both affected versions (12.2.1.4.0 and 14.1.2.0.0) are current supported releases within the Oracle Fusion Middleware lifecycle. No explicit CPE strings were provided; affected scope is inferred from Oracle's advisory and the EUVD-2026-61358 entry.

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Severity by source

Vendor (oracle) PRIMARY 7.1 HIGH
AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 7.1 HIGH

Local vector confirmed by description requiring infrastructure logon; PR:N because no Oracle application credentials are needed; S:C per stated scope change to additional Fusion Middleware products; confidentiality impact only.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
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 unauthenticated attacker with logon to the infrastructure where Oracle WebCenter Content executes 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 unauthorized access to critical data or complete access to all Oracle WebCenter Content accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Executive ViewAI

Why It Matters

Oracle WebCenter Content versions 12.2.1.4.0 and 14.1.2.0.0 contain a local authentication bypass allowing any user with OS-level access to read all sensitive content data without application credentials. This exposes confidential information and poses lateral movement risk to co-located Oracle Fusion Middleware systems. Organizations running these versions must immediately assess local access controls and restrict OS-level permissions to infrastructure hosting WebCenter.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Restrict OS-level logon access to the hosting infrastructure through administrative policy and access control lists; (2) Implement continuous monitoring and alerting on all system logon events to affected hosts and WebCenter content access patterns; (3) Isolate affected systems from general network segments and restrict connections to authorized applications only; (4) Require multi-factor authentication for any local system access to WebCenter servers.

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Prevalence
Medium
enterprise ECM platform common in large Oracle Fusion Middleware deployments
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 HIGH
CISA KEV No
Public POC No
EPSS 0.2%
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact
High

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
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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