Vulnerability in Oracle Corporation Coherence

CVE-2026-83354

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). The supported version that is affected is 15.1.1.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Coherence. While the vulnerability is in Oracle Coherence, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Coherence accessible data. CVSS 3.1 Base Score 6.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N).

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

References

Frequently asked questions

What is CVE-2026-83354?
CVE-2026-83354 is a medium-severity vulnerability in Oracle Corporation Coherence. CVSS score: 6.3/10. Published 2026-09-15.
How severe is CVE-2026-83354?
Medium severity. CVSS v3 base score is 6.3 out of 10.