CVE-2026-83051: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Portal accessible data. in Oracle Corporation Oracle WebCenter Portal
CVE-2026-83051 is a high-severity vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical or all accessible data within Oracle WebCenter Portal. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring user interaction or privileges. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update advisory.
AI Analysis
Technical Summary
This vulnerability affects Oracle WebCenter Portal, a component of Oracle Fusion Middleware, specifically versions 12.2.1.4.0 and 14.1.2.0.0. It permits unauthenticated remote attackers to exploit the system over HTTP to access sensitive data without authorization. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and high confidentiality impact with no integrity or availability impact. Oracle's September 2026 Critical Security Patch Update includes patches for this vulnerability, emphasizing the importance of applying these updates promptly.
Potential Impact
Successful exploitation results in unauthorized access to critical or all data accessible through Oracle WebCenter Portal. This compromises confidentiality but does not affect integrity or availability. The vulnerability is exploitable remotely without authentication, increasing the risk of data breaches.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply these security patches without delay to mitigate the risk. Oracle recommends staying on actively supported versions and promptly applying all relevant patches. No alternative mitigations or workarounds are specified in the advisory.
CVE-2026-83051: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Portal accessible data. in Oracle Corporation Oracle WebCenter Portal
Description
CVE-2026-83051 is a high-severity vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical or all accessible data within Oracle WebCenter Portal. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a significant confidentiality impact without requiring user interaction or privileges. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update advisory.
CVSS v3.1
Score 7.5high
Affected software
Oracle Corporation
Oracle WebCenter Portal
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle WebCenter Portal, a component of Oracle Fusion Middleware, specifically versions 12.2.1.4.0 and 14.1.2.0.0. It permits unauthenticated remote attackers to exploit the system over HTTP to access sensitive data without authorization. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and high confidentiality impact with no integrity or availability impact. Oracle's September 2026 Critical Security Patch Update includes patches for this vulnerability, emphasizing the importance of applying these updates promptly.
Potential Impact
Successful exploitation results in unauthorized access to critical or all data accessible through Oracle WebCenter Portal. This compromises confidentiality but does not affect integrity or availability. The vulnerability is exploitable remotely without authentication, increasing the risk of data breaches.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply these security patches without delay to mitigate the risk. Oracle recommends staying on actively supported versions and promptly applying all relevant patches. 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: 6aa9a80e55bf5e2cf5537c85
Added to database: 09/15/2026, 20:18:22 UTC
Last enriched: 09/15/2026, 22:38:36 UTC
Last updated: 09/16/2026, 01:55:43 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.