CVE-2026-73963: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. in Oracle Corporation Oracle WebCenter Portal
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). 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 Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. 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).
AI Analysis
Technical Summary
This vulnerability affects the Portlet Services component of Oracle WebCenter Portal in versions 12.2.1.4.0 and 14.1.2.0.0. It is easily exploitable remotely without authentication over HTTP, enabling attackers to compromise the portal fully. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires no privileges or user interaction and impacts all security properties. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability. The advisory emphasizes the importance of applying patches without delay to prevent exploitation.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to take over Oracle WebCenter Portal, compromising confidentiality, integrity, and availability of the affected system. This could lead to unauthorized access, data breaches, and disruption of services.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 immediately. Oracle strongly recommends staying on actively-supported versions and applying security patches promptly to prevent exploitation. No alternative mitigations or workarounds are indicated in the advisory.
CVE-2026-73963: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. in Oracle Corporation Oracle WebCenter Portal
Description
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). 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 Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. 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 v3.1
Score 9.8critical
Affected software
Oracle Corporation
Oracle WebCenter Portal
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Portlet Services component of Oracle WebCenter Portal in versions 12.2.1.4.0 and 14.1.2.0.0. It is easily exploitable remotely without authentication over HTTP, enabling attackers to compromise the portal fully. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires no privileges or user interaction and impacts all security properties. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability. The advisory emphasizes the importance of applying patches without delay to prevent exploitation.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to take over Oracle WebCenter Portal, compromising confidentiality, integrity, and availability of the affected system. This could lead to unauthorized access, data breaches, and disruption of services.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 immediately. Oracle strongly recommends staying on actively-supported versions and applying security patches promptly to prevent exploitation. No alternative mitigations or workarounds are indicated in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-13T18:41:45.893Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a80255bf5e2cf5537c22
Added to database: 09/15/2026, 20:18:10 UTC
Last enriched: 09/15/2026, 22:32:55 UTC
Last updated: 09/16/2026, 03:03:35 UTC
Views: 3
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