Unauthorized Access Vulnerability in Oracle Database Server
CVE-2026-101512

6.5MEDIUM

Key Information:

Vendor

Oracle
Status
Oracle Database Server
Vendor
CVE Published:
20 October 2026

What is CVE-2026-101512?

A vulnerability exists in the RDBMS component of Oracle Database Server, allowing low-privileged attackers with network access to exploit the system. This flaw potentially enables unauthorized access to sensitive data stored in the RDBMS. Attackers exploiting this vulnerability may gain complete control over all accessible data, significantly jeopardizing data confidentiality and integrity.

Affected Version(s)

Oracle Database Server 23.4.0 <= 23.26.3

References

https://www.oracle.com/security-alerts/cpuoct2026.html
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.