# CVE-2026-71100: Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32…

Source: https://junglewise.ai/threats/cve-2026-71100-vulnerability-in-the-rdbms-component-of-oracle-database-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-18  
License: CC BY 4.0 with a link back

CVE-2026-71100 · Severity: medium · CVSS 5.3 · Published 2026-08-18

Vulnerability in the RDBMS component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32, 21.3-21.23 and  23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of RDBMS accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Technologies: [Oracle Database Server](https://junglewise.ai/threats/technologies/oracle-database-server). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-71100 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-71100 being exploited in the wild.

**How severe is CVE-2026-71100?** Medium severity, with a CVSS score of 5.3, published 18 August 2026.

**Which products and versions are affected?** Oracle Database Server. The advisory does not name versions.

**Is there a fix for CVE-2026-71100?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-71100?** Check whether you run Oracle Database Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Oracle Database Server

## Related threats

- [Oracle Database Server Java VM data integrity vulnerability](https://junglewise.ai/threats/cve-2026-91615-vulnerability-in-the-java-vm-component-of-oracle-database-server)
- [Oracle Database Server RDBMS privilege escalation via Oracle Net](https://junglewise.ai/threats/cve-2026-91568-vulnerability-in-the-rdbms-component-of-oracle-database-server)
- [Oracle Database Server OLAP privilege escalation](https://junglewise.ai/threats/cve-2026-91563-vulnerability-in-the-oracle-olap-component-of-oracle-database)
- [Oracle Database Server VPD privilege escalation](https://junglewise.ai/threats/cve-2026-91503-vulnerability-in-the-vpd-component-of-oracle-database-server)
- [Oracle Database Server RDBMS privilege escalation](https://junglewise.ai/threats/cve-2026-91499-vulnerability-in-the-rdbms-component-of-oracle-database-server)