CVE-2026-91320

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-28
Weakness: CWE-284

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).

Affected products

Oracle Corporation Oracle JDeveloper: 12.2.1.4.0, 14.1.2.0.0

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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