CVE-2026-83040: Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Oracle WebCenter Portal. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. in Oracle Corporation Oracle WebCenter Portal
CVE-2026-83040 is a critical 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 SOAP to compromise the portal. Successful exploitation requires human interaction from a user other than the attacker and can lead to full takeover of Oracle WebCenter Portal. The vulnerability has a CVSS 3.1 base score of 9.6, indicating high impact on confidentiality, integrity, and availability. Oracle has released security patches addressing this vulnerability as part of their September 2026 Critical Security Patch Update. Users are strongly advised to apply these patches promptly to mitigate risk.
AI Analysis
Technical Summary
This vulnerability affects the Portlet Services component of Oracle WebCenter Portal in versions 12.2.1.4.0 and 14.1.2.0.0. It is exploitable remotely over the network via SOAP without authentication but requires user interaction from a third party. The vulnerability can result in complete compromise of Oracle WebCenter Portal and may impact additional Oracle products due to scope change. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, reflecting network attack vector, low attack complexity, no privileges required, required user interaction, scope change, and high confidentiality, integrity, and availability impacts. Oracle's September 2026 Critical Security Patch Update includes patches for this vulnerability.
Potential Impact
Successful exploitation can lead to full takeover of Oracle WebCenter Portal, compromising confidentiality, integrity, and availability of the affected system. The vulnerability also has potential to affect other Oracle products due to scope change. The CVSS score of 9.6 indicates critical severity with significant impact on system security.
Mitigation Recommendations
Oracle has released security patches for this vulnerability in the September 2026 Critical Security Patch Update. Users should apply the relevant patches for Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 without delay. Oracle strongly recommends remaining on actively-supported versions and promptly applying security updates to prevent exploitation. Patch status is confirmed as available and official.
CVE-2026-83040: Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Oracle WebCenter Portal. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. in Oracle Corporation Oracle WebCenter Portal
Description
CVE-2026-83040 is a critical 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 SOAP to compromise the portal. Successful exploitation requires human interaction from a user other than the attacker and can lead to full takeover of Oracle WebCenter Portal. The vulnerability has a CVSS 3.1 base score of 9.6, indicating high impact on confidentiality, integrity, and availability. Oracle has released security patches addressing this vulnerability as part of their September 2026 Critical Security Patch Update. Users are strongly advised to apply these patches promptly to mitigate risk.
CVSS v3.1
Score 9.6critical
Affected software
Oracle Corporation
Oracle WebCenter Portal
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Portlet Services component of Oracle WebCenter Portal in versions 12.2.1.4.0 and 14.1.2.0.0. It is exploitable remotely over the network via SOAP without authentication but requires user interaction from a third party. The vulnerability can result in complete compromise of Oracle WebCenter Portal and may impact additional Oracle products due to scope change. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, reflecting network attack vector, low attack complexity, no privileges required, required user interaction, scope change, and high confidentiality, integrity, and availability impacts. Oracle's September 2026 Critical Security Patch Update includes patches for this vulnerability.
Potential Impact
Successful exploitation can lead to full takeover of Oracle WebCenter Portal, compromising confidentiality, integrity, and availability of the affected system. The vulnerability also has potential to affect other Oracle products due to scope change. The CVSS score of 9.6 indicates critical severity with significant impact on system security.
Mitigation Recommendations
Oracle has released security patches for this vulnerability in the September 2026 Critical Security Patch Update. Users should apply the relevant patches for Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 without delay. Oracle strongly recommends remaining on actively-supported versions and promptly applying security updates to prevent exploitation. Patch status is confirmed as available and official.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.334Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a80c55bf5e2cf5537c7a
Added to database: 09/15/2026, 20:18:20 UTC
Last enriched: 09/15/2026, 22:37:30 UTC
Last updated: 09/16/2026, 04:01:22 UTC
Views: 4
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