Medium severity · published Oct 20, 2026
CVE-2026-91319
Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Java Business Objects)
5.9
CVSS
0.3%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OJ
Oracle JDeveloper · Oracle Corporation
12.2.1.4.0; 14.1.2.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91319
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91319
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
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