Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). (CVE-2026-83034)
A vulnerability in Oracle WebCenter Sites (part of Oracle Fusion Middleware) affects 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 data. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with a high confidentiality impact but no integrity or availability impact. Oracle has released security patches addressing this vulnerability as part of its September 2026 Critical Security Patch Update.
AI Analysis
Technical Summary
CVE-2026-83034 is a vulnerability in Oracle WebCenter Sites (component of Oracle Fusion Middleware) affecting versions 12.2.1.4.0 and 14.1.2.0.0. The flaw allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized access to critical or all accessible data within Oracle WebCenter Sites. 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, and high confidentiality impact without affecting integrity or availability. Oracle has included fixes for this vulnerability in its September 2026 Critical Security Patch Update.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to gain unauthorized access to critical data or complete access to all data accessible via Oracle WebCenter Sites. This compromises confidentiality but does not affect integrity or availability. The vulnerability is rated high severity with a CVSS 3.1 score of 7.5.
Mitigation Recommendations
Oracle has released security patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers should apply these patches promptly to remediate the vulnerability. Oracle strongly recommends remaining on actively-supported versions and applying security patches without delay. No alternative mitigations or temporary fixes are indicated in the advisory.
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). (CVE-2026-83034)
Description
A vulnerability in Oracle WebCenter Sites (part of Oracle Fusion Middleware) affects 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 data. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with a high confidentiality impact but no integrity or availability impact. Oracle has released security patches addressing this vulnerability as part of its September 2026 Critical Security Patch Update.
CVSS v3.1
Score 7.5high
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83034 is a vulnerability in Oracle WebCenter Sites (component of Oracle Fusion Middleware) affecting versions 12.2.1.4.0 and 14.1.2.0.0. The flaw allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized access to critical or all accessible data within Oracle WebCenter Sites. 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, and high confidentiality impact without affecting integrity or availability. Oracle has included fixes for this vulnerability in its September 2026 Critical Security Patch Update.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to gain unauthorized access to critical data or complete access to all data accessible via Oracle WebCenter Sites. This compromises confidentiality but does not affect integrity or availability. The vulnerability is rated high severity with a CVSS 3.1 score of 7.5.
Mitigation Recommendations
Oracle has released security patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers should apply these patches promptly to remediate the vulnerability. Oracle strongly recommends remaining on actively-supported versions and applying security patches without delay. No alternative mitigations or temporary fixes are indicated in the advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-7587-xc2v-9q32
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83034"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07e355bf5e2cf5ea33d0
Added to database: 09/16/2026, 03:07:15 UTC
Last enriched: 09/16/2026, 04:40:21 UTC
Last updated: 09/16/2026, 05:01:23 UTC
Views: 2
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