Auth bypass in Oracle Corporation Data Integrator

CVE-2026-83397

Vulnerability in the Oracle Data Integrator product of Oracle Fusion Middleware (component: Console / Repository Explorer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Data Integrator. Successful attacks of this vulnerability can result in takeover of Oracle Data Integrator. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-83397?
CVE-2026-83397 is a critical-severity vulnerability in Oracle Corporation Data Integrator, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-10-20.
How severe is CVE-2026-83397?
Critical severity. CVSS v3 base score is 9.8 out of 10.