How severe is CVE-2026-91610?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Oracle Corporation Rest Data Services

CVE-2026-91610

Vulnerability in Oracle REST Data Services (component: General). Supported versions that are affected are 24.2.0-26.2.2. 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 takeover of Oracle REST Data Services. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

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

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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-2026-91610?: CVE-2026-91610 is a high-severity vulnerability in Oracle Corporation Rest Data Services. CVSS score: 8.8/10. Published 2026-10-20.
How severe is CVE-2026-91610?: High severity. CVSS v3 base score is 8.8 out of 10.