Information disclosure in Oracle Coherence

CVE-2026-60266

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). 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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Coherence. 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 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

Vulnerability class: Information Disclosure

EPSS: 0.003 (27.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-60266?
CVE-2026-60266 is a medium-severity vulnerability in Oracle Coherence, classified under Information Disclosure. CVSS score: 5.9/10. Published 2026-07-21.
How severe is CVE-2026-60266?
Medium severity. CVSS v3 base score is 5.9 out of 10.