How severe is CVE-2026-101366?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Oracle Corporation Rest Data Services

CVE-2026-101366

Vulnerability in Oracle REST Data Services (component: ADP). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle REST Data Services. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle REST Data Services accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Published 2026-10-20 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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 Rest Data Services

References

www.oracle.com/security-alerts/cpuoct2026.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-101366?: CVE-2026-101366 is a medium-severity vulnerability in Oracle Corporation Rest Data Services. CVSS score: 4.3/10. Published 2026-10-20.
How severe is CVE-2026-101366?: Medium severity. CVSS v3 base score is 4.3 out of 10.