Auth bypass in Oracle Product Workbench

CVE-2026-83431

Vulnerability in the Oracle Product Workbench product of Oracle E-Business Suite (component: WebUI). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Product Workbench. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Product Workbench, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Product Workbench accessible data as well as unauthorized read access to a subset of Oracle Product Workbench accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.0% 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-2026-83431: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-83431?
CVE-2026-83431 is a medium-severity vulnerability in Oracle Product Workbench, classified under Improper Authorization. CVSS score: 5.4/10. Published 2026-09-15.
How severe is CVE-2026-83431?
Medium severity. CVSS v3 base score is 5.4 out of 10.