What is CVE-2026-21959?

CVE-2026-21959 is a medium-severity vulnerability in Oracle Workflow, classified under Improper Access Control. CVSS score: 4.9/10. Published 2026-01-20.

How severe is CVE-2026-21959?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Oracle Workflow

CVE-2026-21959

Vulnerability in the Oracle Workflow product of Oracle E-Business Suite (component: Workflow Loader). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows high privileged attacker with network a…

EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Oracle Workflow
Oracle Corporation Workflow — versions 12.2.3

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-21959?: CVE-2026-21959 is a medium-severity vulnerability in Oracle Workflow, classified under Improper Access Control. CVSS score: 4.9/10. Published 2026-01-20.
How severe is CVE-2026-21959?: Medium severity. CVSS v3 base score is 4.9 out of 10.