CVE-2026-91320 Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper).
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-91320?
CVE-2026-91320 is a medium-severity vulnerability in Oracle JDeveloper, published on 20 Oct 2026.
Official description
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle JDeveloper executes 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 and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 5.7 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-91320?
How do I fix CVE-2026-91320?
No fix has been published for CVE-2026-91320 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-91320 being exploited?
There is no known exploitation of CVE-2026-91320 in the wild and no public exploit code.
Sources
Also known as GHSA-qh7f-823p-58jp.