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CVE-2026-61018: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. in Oracle Corporation Oracle WebCenter Sites

0
Critical
VulnerabilityCVE-2026-61018cvecve-2026-61018
Published: 08/18/2026 (08/18/2026, 20:59:36 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle WebCenter Sites

Description

CVE-2026-61018 is a critical vulnerability in Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker with network access via HTTP to fully compromise the affected system, potentially resulting in complete takeover. The vulnerability has a CVSS 3.1 base score of 9.8, indicating high impact on confidentiality, integrity, and availability.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Oracle Corporation

Oracle WebCenter Sites

Affected versions
=12.2.1.4.0=14.1.2.0.0
com.oracle.webcenter/sites
pkg:maven/com.oracle.webcenter/sites
Affected versions
=12.2.1.4.0=14.1.2.0.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 19:19:37 UTC

Technical Analysis

This vulnerability affects Oracle WebCenter Sites, part of Oracle Fusion Middleware, specifically versions 12.2.1.4.0 and 14.1.2.0.0. It permits an unauthenticated attacker with network access over HTTP to exploit the flaw easily and compromise the system. Successful exploitation can lead to full system takeover. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) confirms that the attack requires no privileges or user interaction and has high impact on confidentiality, integrity, and availability.

Potential Impact

An attacker exploiting this vulnerability can gain complete control over Oracle WebCenter Sites, compromising confidentiality, integrity, and availability of the system. This could lead to unauthorized data access, modification, and service disruption.

Mitigation Recommendations

Oracle has released this vulnerability as part of its August 2026 Critical Security Patch Update (CSPU). Customers are strongly advised to apply the relevant security patches without delay to mitigate this vulnerability. Oracle recommends staying on actively supported versions and promptly applying all security updates. Refer to the official Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html for patch availability and installation instructions.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-07-08T15:51:55.608Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]

Threat ID: 6a84c9c0c6e8be0332bf0cd6

Added to database: 08/18/2026, 21:08:16 UTC

Last enriched: 09/11/2026, 19:19:37 UTC

Last updated: 10/02/2026, 02:46:05 UTC

Views: 28

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