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).
Published: 2026-10-20
Score: 9.8 Critical
EPSS: n/a
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

The vulnerability permits an attacker without authentication to exploit the WebCenter Sites application over HTTP. Successful exploitation can allow the attacker to take full control over a vulnerable instance, compromising confidentiality, integrity, and availability of the web application and potentially the underlying server.

Affected Systems

The affected product is Oracle WebCenter Sites within Oracle Fusion Middleware. Versions 12.2.1.4.0 and 14.1.2.0.0 are impacted. These versions are supported by Oracle for HTTP-based deployment.

Risk and Exploitability

The CVSS score of 9.8 indicates a high severity with network attack surface, low authentication required, and no user interaction. The EPSS score is not available, but the lack of a KEV listing does not diminish the likelihood; the exploit could be readily leveraged by unauthenticated remote attackers with Internet connectivity to target the vulnerable servers. The vector states that a direct HTTP request is sufficient to trigger the flaw, making the attack path straightforward.

Generated by OpenCVE AI on October 20, 2026 at 23:23 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply Oracle's Critical Patch Update released in October 2026 that addresses this flaw in WebCenter Sites.
  • Restrict direct HTTP access to WebCenter Sites instances to trusted IP ranges or enforce VPN-based access to reduce the attack surface.
  • Enable web application firewall rules or input validation on the server to block malformed requests that could trigger the vulnerability until the patch is deployed.

Generated by OpenCVE AI on October 20, 2026 at 23:23 UTC.

Tracking

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Advisories

No advisories yet.

History

Tue, 20 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
Title Unauthenticated Remote Code Execution in Oracle WebCenter Sites via HTTP
Weaknesses CWE-284

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
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).
First Time appeared Oracle
Oracle webcenter Sites
CPEs cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:webcenter_sites:14.1.2.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle webcenter Sites
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Oracle Webcenter Sites
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-20T21:21:12.682Z

Reserved: 2026-09-28T15:40:09.487Z

Link: CVE-2026-101499

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T22:17:59.093

Modified: 2026-10-20T22:17:59.093

Link: CVE-2026-101499

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T23:30:08Z

Weaknesses