Unauthenticated Access Vulnerability in Oracle WebLogic Server by Oracle
CVE-2026-34305

7.5HIGH

Key Information:

Vendor

Oracle
Status
Oracle Weblogic Server
Vendor
CVE Published:
21 April 2026

What is CVE-2026-34305?

This vulnerability in Oracle WebLogic Server allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to sensitive data. Attackers can exploit this flaw to compromise the WebLogic Server, potentially leading to exposure of critical information. Affected versions include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0, underscoring the importance of timely updates and patching.

Affected Version(s)

Oracle WebLogic Server 12.2.1.4.0

Oracle WebLogic Server 14.1.1.0.0

Oracle WebLogic Server 14.1.2.0.0

References

https://www.oracle.com/security-alerts/cpuapr2026.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.