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
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). 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 Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. 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 Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0 and permits an unauthenticated attacker with network access over HTTP to compromise the system. 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 can result in full confidentiality, integrity, and availability impact. 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 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 availability.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply these official patches immediately to remediate the vulnerability. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. No alternative mitigations or workarounds are specified in the 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
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). 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 Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. 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 Sites
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0 and permits an unauthenticated attacker with network access over HTTP to compromise the system. 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 can result in full confidentiality, integrity, and availability impact. 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 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 availability.
Mitigation Recommendations
Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply these official patches immediately to remediate the vulnerability. Oracle strongly recommends staying on actively supported versions and applying security patches without delay. No alternative mitigations or workarounds are specified in the advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.333Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a80c55bf5e2cf5537c75
Added to database: 09/15/2026, 20:18:20 UTC
Last enriched: 09/15/2026, 22:37:03 UTC
Last updated: 09/16/2026, 03:03:35 UTC
Views: 3
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