Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON). Supported versions that are affected are MySQL Server: 9.7.0-9.7.1; MySQL Cluster: 9.7.0-9.7.1. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Published: 2026-07-21
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

Vulnerability in the MySQL Server and MySQL Cluster components that parse JSON input can cause a complete denial of service when an attacker sends specially crafted data. The flaw leads to a server‑side crash or hang, resulting in loss of availability for any application relying on MySQL. No confidentiality or integrity impact is disclosed in the available information.

Affected Systems

The affected products are Oracle MySQL Server and Oracle MySQL Cluster, specifically the 9.7.0 to 9.7.1 releases. Other versions are not listed as vulnerable.

Risk and Exploitability

The CVSS 3.1 base score of 6.5 indicates a medium severity availability impact. The EPSS score is less than 1%, suggesting a very low likelihood of exploitation at the time of analysis. The vulnerability is not included in CISA’s KEV catalog, and there is no known public exploit referenced. Attackers need only low privileges and network access over supported protocols to trigger the crash.

Generated by OpenCVE AI on August 2, 2026 at 21:10 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the latest Oracle MySQL update that removes versions 9.7.0 through 9.7.1.
  • Restrict network exposure to MySQL ports to trusted hosts only or limit connections using firewall rules.
  • Configure automated monitoring and failover to restart a crashed MySQL service promptly.

Generated by OpenCVE AI on August 2, 2026 at 21:10 UTC.

Tracking

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Advisories

No advisories yet.

History

Tue, 28 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-400

Tue, 28 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
Title MySQL Cluster and Server Vulnerability Causing Crash via Malformed JSON mysql: JSON unspecified vulnerability (CPU Jul 2026)
Weaknesses CWE-770
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 23 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title MySQL Cluster and Server Vulnerability Causing Crash via Malformed JSON
Weaknesses CWE-20
CWE-400

Tue, 21 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Description Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON). Supported versions that are affected are MySQL Server: 9.7.0-9.7.1; MySQL Cluster: 9.7.0-9.7.1. Easily exploitable vulnerability allows low 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. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
First Time appeared Oracle
Oracle mysql Cluster
Oracle mysql Server
CPEs cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle mysql Cluster
Oracle mysql Server
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Subscriptions

Oracle Mysql Cluster Mysql Server
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-07-24T19:08:16.398Z

Reserved: 2026-07-08T15:51:55.582Z

Link: CVE-2026-60718

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-07-21T22:18:12.133

Modified: 2026-07-27T17:59:04.533

Link: CVE-2026-60718

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-07-21T00:00:00Z

Links: CVE-2026-60718 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-02T21:15:02Z

Weaknesses
  • CWE-400

    Uncontrolled Resource Consumption

  • CWE-770

    Allocation of Resources Without Limits or Throttling