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PatchSiren cyber security CVE debrief

CVE-2026-61108 Oracle Corporation CVE debrief

A vulnerability was discovered in the MySQL Server and MySQL Cluster products of Oracle MySQL, specifically in the Server: GIS component. The affected versions are MySQL Server 9.7.0-9.7.1 and MySQL Cluster 9.7.0-9.7.1. This vulnerability allows a low-privileged attacker with network access via multiple protocols to compromise MySQL Server and MySQL Cluster. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server and MySQL Cluster. The vulnerability has a medium severity with a CVSS 3.1 Base Score of 6.5.

Vendor
Oracle Corporation
Product
MySQL Server
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-27
Advisory published
2026-07-21
Advisory updated
2026-07-27

Who should care

Administrators and users of MySQL Server and MySQL Cluster versions 9.7.0-9.7.1 should be aware of this vulnerability and take necessary precautions to mitigate the risk. This includes reviewing system configurations, monitoring for unusual activity, and applying patches or updates provided by Oracle.

Technical summary

The vulnerability has a CVSS 3.1 Base Score of 6.5, indicating a medium severity. The CVSS Vector is (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). The vulnerability is classified under CWE-400. It affects MySQL Server: 9.7.0-9.7.1 and MySQL Cluster: 9.7.0-9.7.1, allowing a low-privileged attacker with network access via multiple protocols to compromise MySQL Server and MySQL Cluster, potentially leading to a complete DOS.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it can lead to a complete DOS of MySQL Server and MySQL Cluster. Defenders should focus on applying patches, restricting network access, and monitoring systems for unusual activity.

Recommended defensive actions

  • Apply patches or updates provided by Oracle to fix the vulnerability.
  • Restrict network access to MySQL Server and MySQL Cluster to only necessary personnel.
  • Monitor MySQL Server and MySQL Cluster for unusual activity or crashes.
  • Consider implementing compensating controls, such as intrusion detection and prevention systems.
  • Review system configurations to ensure they align with security best practices.
  • Perform a thorough review of asset inventory to identify potentially exposed systems.
  • Track exceptions and retest remediated assets to ensure the vulnerability is properly mitigated.

Evidence notes

The CVE record was published on 2026-07-21T22:18:42.037Z and was last modified on 2026-07-27T17:41:46.803Z. The NVD entry is currently Analyzed. This information is based on the provided source corpus. Further verification by defenders is recommended to ensure accurate understanding of the vulnerability.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T22:18:42.037Z and has not been modified since then. The NVD entry is currently Analyzed.