CVE-2026-101512: Oracle Database Server RDBMS unauthorized data access

CVE-2026-101512 · Severity: medium · CVSS 6.5 · Published 2026-10-20

A vulnerability in Oracle Database Server's core database component allows a low-privileged attacker with network access to view critical data stored in the database. An attacker who exploits this flaw gains unauthorized access to confidential information and can potentially read all data accessible through the database, compromising data confidentiality for organizations relying on this database.

Technologies: Oracle Database Server. Vendors: Oracle.

Quick answers

Is CVE-2026-101512 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-101512 being exploited in the wild.
How severe is CVE-2026-101512?
Medium severity, with a CVSS score of 6.5, published 20 October 2026.
Which products and versions are affected?
Oracle Database Server 23.4.0 through 23.26.3.
Is there a fix for CVE-2026-101512?
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.
How is CVE-2026-101512 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-101512?
Check whether you run Oracle Database Server at an affected version. 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.

Technical details

The RDBMS component of Oracle Database Server contains an easily exploitable vulnerability allowing low-privileged attackers with network access via HTTP to bypass access controls. Successful exploitation results in unauthorized read access to critical data; there is no impact to data integrity or availability. The vulnerability affects versions 23.4.0 through 23.26.3.

Affected products

  • Oracle Database Server 23.4.0 through 23.26.3

Timeline

  • 2026-10-20: disclosed

References

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