Oracle Database Server RDBMS Vulnerability for Authenticated Users
CVE-2026-83088

7.7HIGH

Key Information:

Vendor

Oracle
Status
Oracle Database Server
Vendor
CVE Published:
15 September 2026

What is CVE-2026-83088?

A vulnerability exists in the RDBMS component of Oracle Database Server that allows an authenticated user with network access to potentially disrupt the database's availability. Specifically, this vulnerability can lead to denial of service conditions, causing the database to hang or crash persistently. Attackers taking advantage of this flaw can have a significant impact on the operational integrity of the system. All users of the affected versions should apply the necessary patches to mitigate the risks associated with this vulnerability.

Affected Version(s)

Oracle Database Server 23.4.0 <= 23.26.3

References

https://www.oracle.com/security-alerts/cspusep2026.html
vendor-advisory

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.