Vulnerability in Oracle Corporation Middleware Common Libraries And Tools
CVE-2026-91617
Vulnerability in the Oracle Middleware Common Libraries and Tools product of Oracle Fusion Middleware (component: Remote Diagnostic Agent). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Middleware Common Libraries and Tools executes to compromise Oracle Middleware Common Libraries and Tools. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Middleware Common Libraries and Tools accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 Middleware Common Libraries And Tools — versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0
References
- www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-91617?
- CVE-2026-91617 is a medium-severity vulnerability in Oracle Corporation Middleware Common Libraries And Tools. CVSS score: 5.5/10. Published 2026-10-20.
- How severe is CVE-2026-91617?
- Medium severity. CVSS v3 base score is 5.5 out of 10.