What is CVE-2026-34305?

CVE-2026-34305 is a high-severity vulnerability in Oracle Weblogic_server, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-04-21.

How severe is CVE-2026-34305?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Oracle Weblogic_server

CVE-2026-34305

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allow…

Vulnerability class: Information Disclosure

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Oracle Weblogic_server — versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0
Oracle Corporation Weblogic Server — versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34305?: CVE-2026-34305 is a high-severity vulnerability in Oracle Weblogic_server, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-04-21.
How severe is CVE-2026-34305?: High severity. CVSS v3 base score is 7.5 out of 10.