CVE-2026-46833

9.0 CRITICAL

Vulnerability in the Net Service component of Oracle Database Server

Published: 2026-05-28 · Last updated: 2026-06-03

Severity and scoring

CVSS: 9.0 CRITICAL
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Vendor	Product
oracle	database_server

Description

Vulnerability in the Net Service component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Net Service. While the vulnerability is in Net Service, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Net Service. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H).

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-46833
[Vendor advisory]https://www.oracle.com/security-alerts/cspumay2026.html

Related CVEs

Same vendor

CVE-2026-46843 — Vulnerability in Oracle REST Data Services (component: Core) (5.3 MEDIUM)
CVE-2026-46842 — Vulnerability in Oracle REST Data Services (component: Core) (5.3 MEDIUM)
CVE-2026-46841 — Vulnerability in Oracle REST Data Services (component: General) (5.3 MEDIUM)
CVE-2026-46840 — Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service) (10.0 CRITICAL)
CVE-2026-46839 — Vulnerability in Oracle REST Data Services (component: Core) (9.9 CRITICAL)