Vulnerability in Oracle Corporation Jdeveloper
CVE-2026-91319
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Java Business Objects). 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 HTTP to compromise Oracle JDeveloper. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle JDeveloper accessible data. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
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
- Oracle Corporation Jdeveloper — versions 12.2.1.4.0, 14.1.2.0.0
References
- www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-91319?
- CVE-2026-91319 is a medium-severity vulnerability in Oracle Corporation Jdeveloper. CVSS score: 5.9/10. Published 2026-10-20.
- How severe is CVE-2026-91319?
- Medium severity. CVSS v3 base score is 5.9 out of 10.