Auth bypass in Oracle Corporation Web Services Manager

CVE-2026-83334

Vulnerability in the Oracle Web Services Manager product of Oracle Fusion Middleware (component: Web Services Security). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via SOAP to compromise Oracle Web Services Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Web Services Manager accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Web Services Manager. CVSS 3.1 Base Score 7.4 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H).

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-83334: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-83334?
CVE-2026-83334 is a high-severity vulnerability in Oracle Corporation Web Services Manager, classified under Missing Authentication for Critical Function. CVSS score: 7.4/10. Published 2026-09-15.
How severe is CVE-2026-83334?
High severity. CVSS v3 base score is 7.4 out of 10.