CVE-2026-83035: 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. in Oracle Corporation Oracle WebCenter Sites
A critical vulnerability (CVE-2026-83035) exists in Oracle WebCenter Sites component of Oracle Fusion Middleware, affecting versions 12.2.1.4.0 and 14.1.2.0.0. This vulnerability allows an unauthenticated attacker with network access via HTTP to fully compromise the Oracle WebCenter Sites product, potentially leading to complete takeover. The CVSS 3.1 base score is 9.8, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update advisory.
AI Analysis
Technical Summary
CVE-2026-83035 is a critical, easily exploitable vulnerability in Oracle WebCenter Sites (part of Oracle Fusion Middleware) versions 12.2.1.4.0 and 14.1.2.0.0. It allows unauthenticated remote attackers to compromise the product completely over HTTP without any user interaction or privileges. The vulnerability has a CVSS 3.1 score of 9.8, reflecting full confidentiality, integrity, and availability impacts. Oracle's September 2026 Critical Security Patch Update includes patches for this vulnerability among 673 other fixes. The vendor strongly recommends applying these patches promptly to mitigate exploitation risks.
Potential Impact
Successful exploitation of this vulnerability can lead to complete takeover of Oracle WebCenter Sites, impacting confidentiality, integrity, and availability of the affected system. This could allow attackers to execute arbitrary code, access sensitive data, and disrupt service operations.
Mitigation Recommendations
Oracle has released patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers should apply these security patches without delay to remediate the vulnerability. Oracle strongly recommends remaining on actively supported versions and promptly applying all relevant security updates. Patch availability and installation instructions are provided in the official Oracle advisory.
CVE-2026-83035: 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. in Oracle Corporation Oracle WebCenter Sites
Description
A critical vulnerability (CVE-2026-83035) exists in Oracle WebCenter Sites component of Oracle Fusion Middleware, affecting versions 12.2.1.4.0 and 14.1.2.0.0. This vulnerability allows an unauthenticated attacker with network access via HTTP to fully compromise the Oracle WebCenter Sites product, potentially leading to complete takeover. The CVSS 3.1 base score is 9.8, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update advisory.
CVSS v3.1
Score 9.8critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83035 is a critical, easily exploitable vulnerability in Oracle WebCenter Sites (part of Oracle Fusion Middleware) versions 12.2.1.4.0 and 14.1.2.0.0. It allows unauthenticated remote attackers to compromise the product completely over HTTP without any user interaction or privileges. The vulnerability has a CVSS 3.1 score of 9.8, reflecting full confidentiality, integrity, and availability impacts. Oracle's September 2026 Critical Security Patch Update includes patches for this vulnerability among 673 other fixes. The vendor strongly recommends applying these patches promptly to mitigate exploitation risks.
Potential Impact
Successful exploitation of this vulnerability can lead to complete takeover of Oracle WebCenter Sites, impacting confidentiality, integrity, and availability of the affected system. This could allow attackers to execute arbitrary code, access sensitive data, and disrupt service operations.
Mitigation Recommendations
Oracle has released patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers should apply these security patches without delay to remediate the vulnerability. Oracle strongly recommends remaining on actively supported versions and promptly applying all relevant security updates. Patch availability and installation instructions are provided in the official Oracle advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-f4w7-6vpg-q7jf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83035"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07e355bf5e2cf5ea33cf
Added to database: 09/16/2026, 03:07:15 UTC
Last enriched: 09/16/2026, 04:40:12 UTC
Last updated: 09/16/2026, 06:01:23 UTC
Views: 1
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