CVE-2026-61128: 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. in Oracle Corporation MySQL Server
CVE-2026-61128 is a vulnerability in Oracle MySQL Server and MySQL Cluster affecting versions 9.7.0 through 9.7.1. It allows a high privileged attacker with network access via multiple protocols to cause a denial of service by hanging or crashing the server. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS 3.1 base score is 4.9, indicating medium severity. Oracle has published a Critical Patch Update advisory that includes patches for this and many other vulnerabilities. Users are strongly advised to apply the available patches promptly.
AI Analysis
Technical Summary
This vulnerability exists in the Server: Optimizer component of Oracle MySQL Server and MySQL Cluster versions 9.7.0 to 9.7.1. It allows an attacker with high privileges and network access to cause a hang or repeated crash of the MySQL Server, resulting in a complete denial of service. The CVSS vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, no impact on confidentiality or integrity, and high impact on availability. Oracle's July 2026 Critical Patch Update advisory includes security patches addressing this vulnerability among others.
Potential Impact
Successful exploitation results in denial of service by causing the MySQL Server or MySQL Cluster to hang or crash repeatedly. There is no impact on confidentiality or integrity of data. The attack requires high privileges and network access, limiting the attack surface to authorized users with network connectivity to the server.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the July 2026 Critical Patch Update. Users should apply the relevant patches for MySQL Server and MySQL Cluster versions 9.7.0 through 9.7.1 without delay. No alternative mitigations or workarounds are specified in the advisory. Staying current with Oracle's security updates is strongly recommended.
CVE-2026-61128: 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. in Oracle Corporation MySQL Server
Description
CVE-2026-61128 is a vulnerability in Oracle MySQL Server and MySQL Cluster affecting versions 9.7.0 through 9.7.1. It allows a high privileged attacker with network access via multiple protocols to cause a denial of service by hanging or crashing the server. The vulnerability impacts availability but does not affect confidentiality or integrity. The CVSS 3.1 base score is 4.9, indicating medium severity. Oracle has published a Critical Patch Update advisory that includes patches for this and many other vulnerabilities. Users are strongly advised to apply the available patches promptly.
CVSS v3.1
Score 4.9medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in the Server: Optimizer component of Oracle MySQL Server and MySQL Cluster versions 9.7.0 to 9.7.1. It allows an attacker with high privileges and network access to cause a hang or repeated crash of the MySQL Server, resulting in a complete denial of service. The CVSS vector indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, no impact on confidentiality or integrity, and high impact on availability. Oracle's July 2026 Critical Patch Update advisory includes security patches addressing this vulnerability among others.
Potential Impact
Successful exploitation results in denial of service by causing the MySQL Server or MySQL Cluster to hang or crash repeatedly. There is no impact on confidentiality or integrity of data. The attack requires high privileges and network access, limiting the attack surface to authorized users with network connectivity to the server.
Mitigation Recommendations
Oracle has released security patches for this vulnerability as part of the July 2026 Critical Patch Update. Users should apply the relevant patches for MySQL Server and MySQL Cluster versions 9.7.0 through 9.7.1 without delay. No alternative mitigations or workarounds are specified in the advisory. Staying current with Oracle's security updates is strongly recommended.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-07-08T15:51:55.615Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cpujul2026.html","vendor":"Oracle"}]
Threat ID: 6a5fee309c2644c7f8d5d376
Added to database: 07/21/2026, 22:09:52 UTC
Last enriched: 07/22/2026, 01:23:17 UTC
Last updated: 07/22/2026, 01:23:17 UTC
Views: 2
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