CVE-2026-46803: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. 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-2026-46803 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 HTTP to fully compromise the Oracle WebCenter Portal, potentially impacting additional Oracle products. The vulnerability has a CVSS 3.1 base score of 10.0, indicating high confidentiality, integrity, and availability impacts. Oracle has released a Critical Security Patch Update in June 2026 addressing this and many other vulnerabilities. Customers are strongly advised to apply the provided patches promptly to mitigate the risk. Until patches are applied, risk reduction may be possible by blocking required network protocols or limiting privileges, though these may affect functionality.
AI Analysis
Technical Summary
CVE-2026-46803 is a critical security vulnerability in the Security Framework component of Oracle WebCenter Portal, affecting versions 12.2.1.4.0 and 14.1.2.0.0. The flaw allows an unauthenticated attacker with network access over HTTP to compromise the portal, potentially leading to full takeover. The vulnerability also has a scope change, meaning successful exploitation may impact additional Oracle products beyond WebCenter Portal. The CVSS 3.1 score is 10.0, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. Oracle’s June 2026 Critical Security Patch Update includes patches addressing this vulnerability among 245 others. Oracle strongly recommends applying these patches immediately. Workarounds include blocking network protocols used in attacks or restricting privileges, but these may disrupt normal operations.
Potential Impact
Successful exploitation of CVE-2026-46803 allows an unauthenticated attacker with network access via HTTP to fully compromise Oracle WebCenter Portal, resulting in complete takeover. This includes full confidentiality, integrity, and availability impacts. The vulnerability also has a scope change, meaning that other Oracle products integrated or related to WebCenter Portal may be significantly affected by an attack. The CVSS 3.1 base score of 10.0 confirms the critical severity and potential for widespread impact.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in June 2026 that includes patches addressing CVE-2026-46803. Customers are strongly advised to apply these security patches without delay to fully remediate the vulnerability. Until patches are applied, risk may be reduced by blocking network protocols required for exploitation or by removing unnecessary privileges from users, though these measures may impact application functionality. Oracle’s advisory should be consulted for detailed patch availability and installation instructions: https://www.oracle.com/security-alerts/cspujun2026.html
CVE-2026-46803: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. 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-2026-46803 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 HTTP to fully compromise the Oracle WebCenter Portal, potentially impacting additional Oracle products. The vulnerability has a CVSS 3.1 base score of 10.0, indicating high confidentiality, integrity, and availability impacts. Oracle has released a Critical Security Patch Update in June 2026 addressing this and many other vulnerabilities. Customers are strongly advised to apply the provided patches promptly to mitigate the risk. Until patches are applied, risk reduction may be possible by blocking required network protocols or limiting privileges, though these may affect functionality.
CVSS v3.1
Score 10.0critical
Affected software
pkg:maven/com.oracle.webcenter/portalRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46803 is a critical security vulnerability in the Security Framework component of Oracle WebCenter Portal, affecting versions 12.2.1.4.0 and 14.1.2.0.0. The flaw allows an unauthenticated attacker with network access over HTTP to compromise the portal, potentially leading to full takeover. The vulnerability also has a scope change, meaning successful exploitation may impact additional Oracle products beyond WebCenter Portal. The CVSS 3.1 score is 10.0, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. Oracle’s June 2026 Critical Security Patch Update includes patches addressing this vulnerability among 245 others. Oracle strongly recommends applying these patches immediately. Workarounds include blocking network protocols used in attacks or restricting privileges, but these may disrupt normal operations.
Potential Impact
Successful exploitation of CVE-2026-46803 allows an unauthenticated attacker with network access via HTTP to fully compromise Oracle WebCenter Portal, resulting in complete takeover. This includes full confidentiality, integrity, and availability impacts. The vulnerability also has a scope change, meaning that other Oracle products integrated or related to WebCenter Portal may be significantly affected by an attack. The CVSS 3.1 base score of 10.0 confirms the critical severity and potential for widespread impact.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in June 2026 that includes patches addressing CVE-2026-46803. Customers are strongly advised to apply these security patches without delay to fully remediate the vulnerability. Until patches are applied, risk may be reduced by blocking network protocols required for exploitation or by removing unnecessary privileges from users, though these measures may impact application functionality. Oracle’s advisory should be consulted for detailed patch availability and installation instructions: https://www.oracle.com/security-alerts/cspujun2026.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-05-18T15:55:10.300Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspujun2026.html","vendor":"Oracle"}]
Threat ID: 6a31b6130b89be688826598b
Added to database: 6/16/2026, 8:46:11 PM
Last enriched: 6/16/2026, 11:15:54 PM
Last updated: 6/17/2026, 5:07:55 AM
Views: 3
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