CVE-2026-70756: Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. in Oracle Corporation Oracle WebLogic Server
CVE-2026-70756 is a critical vulnerability in Oracle WebLogic Server that allows an unauthenticated attacker with network access via T3 or IIOP protocols to compromise the server. Successful exploitation can lead to complete takeover of the affected server. The vulnerability affects several supported versions of Oracle WebLogic Server. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update.
AI Analysis
Technical Summary
CVE-2026-70756 is a critical vulnerability in the core component of Oracle WebLogic Server within Oracle Fusion Middleware. It allows an unauthenticated attacker with network access via T3 or IIOP protocols to compromise the server completely, with a CVSS 3.1 base score of 9.8 indicating high impact on confidentiality, integrity, and availability. Affected versions explicitly include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Oracle's September 2026 Critical Security Patch Update provides patches for this vulnerability among 673 others. Oracle strongly recommends applying these patches without delay to prevent exploitation.
Potential Impact
Successful exploitation of this vulnerability can lead to full takeover of Oracle WebLogic Server, compromising confidentiality, integrity, and availability of the affected system. The vulnerability is remotely exploitable without authentication via network protocols T3 and IIOP, making it highly severe.
Mitigation Recommendations
Oracle has released patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for their affected Oracle WebLogic Server versions immediately. Oracle strongly recommends remaining on actively supported versions and applying security patches promptly to mitigate this and other vulnerabilities.
CVE-2026-70756: Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. in Oracle Corporation Oracle WebLogic Server
Description
CVE-2026-70756 is a critical vulnerability in Oracle WebLogic Server that allows an unauthenticated attacker with network access via T3 or IIOP protocols to compromise the server. Successful exploitation can lead to complete takeover of the affected server. The vulnerability affects several supported versions of Oracle WebLogic Server. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update.
CVSS v3.1
Score 9.8critical
Affected software
pkg:maven/com.oracle.weblogic/weblogic-serverRun 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-2026-70756 is a critical vulnerability in the core component of Oracle WebLogic Server within Oracle Fusion Middleware. It allows an unauthenticated attacker with network access via T3 or IIOP protocols to compromise the server completely, with a CVSS 3.1 base score of 9.8 indicating high impact on confidentiality, integrity, and availability. Affected versions explicitly include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Oracle's September 2026 Critical Security Patch Update provides patches for this vulnerability among 673 others. Oracle strongly recommends applying these patches without delay to prevent exploitation.
Potential Impact
Successful exploitation of this vulnerability can lead to full takeover of Oracle WebLogic Server, compromising confidentiality, integrity, and availability of the affected system. The vulnerability is remotely exploitable without authentication via network protocols T3 and IIOP, making it highly severe.
Mitigation Recommendations
Oracle has released patches for this vulnerability in the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for their affected Oracle WebLogic Server versions immediately. Oracle strongly recommends remaining on actively supported versions and applying security patches promptly to mitigate this and other vulnerabilities.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qx4v-9wjm-r797
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-70756"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07e755bf5e2cf5ea3449
Added to database: 09/16/2026, 03:07:19 UTC
Last enriched: 09/16/2026, 04:56:12 UTC
Last updated: 09/16/2026, 05:01:40 UTC
Views: 2
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