What is CVE-2026-47046?

CVE-2026-47046 is a high-severity vulnerability in Oracle Database Server, classified under Uncontrolled Resource Consumption. CVSS score: 8.2/10. Published 2026-07-21.

How severe is CVE-2026-47046?

High severity. CVSS v3 base score is 8.2 out of 10.

Resource exhaustion in Oracle Database Server

CVE-2026-47046

Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS as well as unauthorized update, insert or delete access to some of RDBMS accessible data. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H).

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (34.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Oracle Database_server
Oracle Corporation Database Server — versions 23.4.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-47046?: CVE-2026-47046 is a high-severity vulnerability in Oracle Database Server, classified under Uncontrolled Resource Consumption. CVSS score: 8.2/10. Published 2026-07-21.
How severe is CVE-2026-47046?: High severity. CVSS v3 base score is 8.2 out of 10.