Oracle Database Server prior 19.31/21.22/23.26.2 JDBC improper authorization

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Oracle Database Server. Affected is an unknown function of the component JDBC. This manipulation causes improper authorization. This vulnerability appears as CVE-2026-47061. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Oracle Database Server. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component JDBC. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. The summary by CVE is:

Vulnerability in the JDBC component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the JDBC executes to compromise JDBC. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in JDBC, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all JDBC accessible data. CVSS 3.1 Base Score 5.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N).

The advisory is shared at oracle.com. This vulnerability is known as CVE-2026-47061 since 05/18/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/22/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 19.31, 21.22 or 23.26.2 eliminates this vulnerability.

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Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database Server

License

• commercial

Website

• Vendor: https://www.oracle.com

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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