CVE-2026-61081 in MySQL Server
Summary
by MITRE • 07/22/2026
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Performance Schema). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. 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 read access to a subset of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 2.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within the Performance Schema component of MySQL Server and MySQL Cluster, representing a significant security weakness that affects multiple version ranges including MySQL Server 8.4.0-8.4.10 and 9.7.0-9.7.1, alongside MySQL Cluster versions 8.0.0-8.0.47, 8.4.0-8.4.10, and 9.7.0-9.7.1. The flaw operates at a foundational level within the database management system's monitoring infrastructure, where performance schema data collection mechanisms have been compromised to allow unauthorized access to sensitive information. The vulnerability is classified as easily exploitable due to its accessibility through multiple network protocols, requiring only high-privileged attacker credentials and network connectivity to execute successful attacks.
The technical nature of this vulnerability stems from inadequate access controls within the Performance Schema implementation, which typically functions as a monitoring and diagnostic tool for database performance metrics. When properly configured, Performance Schema should only be accessible to authorized administrative users with appropriate privileges. However, this flaw allows an attacker who has already gained high-privileged network access to bypass normal data access restrictions and read specific subsets of database content that should otherwise remain protected. The vulnerability's low attack complexity and lack of user interaction requirements make it particularly dangerous as it can be exploited automatically without additional human intervention.
The operational impact of this vulnerability manifests primarily through unauthorized data disclosure, where attackers can access sensitive information stored within the MySQL Server or Cluster environments. While the CVSS score of 2.7 indicates a relatively low severity level, the confidentiality impact is rated as low, suggesting that only a subset of accessible data may be compromised rather than complete database exposure. The vulnerability affects both standard MySQL Server deployments and clustered configurations, indicating it impacts core database functionality rather than specific deployment models. Attackers exploiting this weakness could potentially access performance-related data that might include sensitive operational information about database usage patterns, query execution details, or other monitoring data that could indirectly reveal system configurations or business intelligence.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-284 (Improper Access Control) and represents a clear violation of the principle of least privilege. The attack surface follows ATT&CK technique T1078 (Valid Accounts) as it requires pre-existing high-privileged access, while also demonstrating characteristics of T1566 (Phishing for Information) through potential network-based exploitation vectors. Organizations affected by this vulnerability should immediately implement mitigations including upgrading to patched versions of MySQL Server and Cluster, reviewing access controls for Performance Schema components, and monitoring network traffic for unusual patterns that might indicate exploitation attempts. The low privilege requirement for exploitation makes this vulnerability particularly concerning as it can be leveraged by attackers who have already established a foothold within the network infrastructure, potentially leading to broader compromise if performance schema data contains indirect references to other system components or sensitive operational information.
Organizations should prioritize patch management activities to ensure all affected MySQL installations are upgraded to versions that address this specific access control weakness. The vulnerability's impact on both server and cluster deployments necessitates comprehensive assessment of database environments across the entire infrastructure, including any clustered configurations that may be utilizing Performance Schema for monitoring purposes. Security teams should also consider implementing additional network segmentation controls and monitoring solutions specifically designed to detect unauthorized access attempts to performance schema components, as these tools can provide early warning indicators of potential exploitation attempts and help establish baseline behaviors for legitimate administrative activities.