Oracle Portable Clusterware 19.323.26.3 HTTP RCE
CVE-2026-71102 Published on August 18, 2026
Vulnerability in the Portable Clusterware 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 HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).
Vulnerability Analysis
CVE-2026-71102 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-71102 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-71102
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Affected Versions
Oracle Corporation Oracle Database Server:- Version 19.3, <= 19.32 is affected.
- Version 21.3, <= 21.23 is affected.
- Version 23.4.0, <= 23.26.3 is affected.