RDBMS Vulnerability in Oracle Database Server
CVE-2026-47046

8.2HIGH

Key Information:

Vendor

Oracle
Status
Oracle Database Server
Vendor
CVE Published:
21 July 2026

What is CVE-2026-47046?

A vulnerability in the RDBMS component of Oracle Database Server permits an unauthenticated attacker with network access through Oracle Net to exploit the database. This may lead to significant disruptions, including the ability to cause the database to hang or repeatedly crash, resulting in a denial of service. Additionally, compromised access may enable unauthorized updates, insertions, or deletions of RDBMS data, compromising the integrity and availability of the system.

Affected Version(s)

Oracle Database Server 23.4.0 <= 23.26.2

References

https://www.oracle.com/security-alerts/cpujul2026.html
vendor-advisory

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.