Oracle DB Server Java VM CVE-2026-91615: 19.3-23.26.3 (Integrity Impact)
CVE-2026-91615 Published on October 20, 2026
Vulnerability in the Java VM 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. Difficult to exploit vulnerability allows low privileged attacker having None privilege with network access via SOCKS5 to compromise Java VM. While the vulnerability is in Java VM, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data. CVSS 3.1 Base Score 6.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N).
Vulnerability Analysis
CVE-2026-91615 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of 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 no impact on 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-2026-91615 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-91615
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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.