CVE-2026-61018

Analyzed Analyzed - Analysis Complete

Oracle WebCenter Sites Remote Code Execution Vulnerability

Publication date: 2026-08-18

Last updated on: 2026-08-21

Assigner: Oracle

Description

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. 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. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-08-18

Last Modified

2026-08-21

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-61018

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	webcenter_sites	12.2.1.4.0
oracle	webcenter_sites	14.1.2.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a critical vulnerability in Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0 that allows an unauthenticated attacker to remotely compromise the system via HTTP. Successful exploitation could lead to full takeover of the affected WebCenter Sites instance.

Detection Guidance

This vulnerability affects Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0. Detection involves checking for vulnerable versions of Oracle WebCenter Sites running on your network or system. Use commands like 'curl -I http://[target]' to check server headers for version information. Inspect logs for unusual HTTP requests targeting WebCenter Sites endpoints.

Impact Analysis

If you use Oracle WebCenter Sites versions 12.2.1.4.0 or 14.1.2.0.0, an attacker could gain complete control over your system. This may result in data theft, unauthorized modifications, service disruption, or further network compromise.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, which may violate GDPR, HIPAA, and other regulations. Organizations must address this flaw to maintain compliance and avoid potential legal penalties.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Oracle WebCenter Sites immediately. Disable HTTP access if not required and restrict network access to trusted sources only. Monitor Oracle's security advisories for patches and updates.

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