Oracle MySQL Server/MySQL Cluster 9.7.0-9.7.3/26.7.0-26.7.1 Security Encryption information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, was found in Oracle MySQL Server and MySQL Cluster 9.7.0-9.7.3/26.7.0-26.7.1. Impacted is an unknown function of the component Security Encryption. The manipulation results in information disclosure. This vulnerability is identified as CVE-2026-101777. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Oracle MySQL Server and MySQL Cluster 9.7.0-9.7.3/26.7.0-26.7.1. Affected is some unknown functionality of the component Security Encryption. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster and unauthorized read access to a subset of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H).

The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2026-101777 since 09/28/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/21/2026). The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• MySQL Cluster
• MySQL Server

Version

• 9.7.0-9.7.3
• 26.7.0-26.7.1

License

• open-source

Website

• Vendor: https://www.oracle.com

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