CVE-2026-83053: Easily exploitable vulnerability allows low privileged 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
CVE-2026-83053 is a high-severity vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low privileged attacker with network access via HTTP to compromise the portal, potentially leading to full takeover. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly.
AI Analysis
Technical Summary
This vulnerability affects Oracle WebCenter Portal component of Oracle Fusion Middleware in versions 12.2.1.4.0 and 14.1.2.0.0. It allows an attacker with low privileges and network access over HTTP to compromise the portal, potentially resulting in complete takeover. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability along with hundreds of others. Oracle strongly recommends applying these patches without delay to mitigate exploitation risks.
Potential Impact
Successful exploitation can lead to complete compromise of Oracle WebCenter Portal, affecting confidentiality, integrity, and availability of the system. This could allow attackers to take over the portal and potentially impact associated business processes and data.
Mitigation Recommendations
Oracle has released 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 promptly. Oracle advises remaining on actively supported versions and applying security patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
CVE-2026-83053: Easily exploitable vulnerability allows low privileged 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
CVE-2026-83053 is a high-severity vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low privileged attacker with network access via HTTP to compromise the portal, potentially leading to full takeover. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly.
CVSS v3.1
Score 8.8high
Affected software
Oracle Corporation
Oracle WebCenter Portal
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle WebCenter Portal component of Oracle Fusion Middleware in versions 12.2.1.4.0 and 14.1.2.0.0. It allows an attacker with low privileges and network access over HTTP to compromise the portal, potentially resulting in complete takeover. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability along with hundreds of others. Oracle strongly recommends applying these patches without delay to mitigate exploitation risks.
Potential Impact
Successful exploitation can lead to complete compromise of Oracle WebCenter Portal, affecting confidentiality, integrity, and availability of the system. This could allow attackers to take over the portal and potentially impact associated business processes and data.
Mitigation Recommendations
Oracle has released 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 promptly. Oracle advises remaining on actively supported versions and applying security patches without delay to prevent exploitation. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.335Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a80e55bf5e2cf5537c87
Added to database: 09/15/2026, 20:18:22 UTC
Last enriched: 09/15/2026, 22:38:46 UTC
Last updated: 09/15/2026, 22:38:46 UTC
Views: 3
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