MySQL Cluster: denial of service via Optimizer
Medium4.9CVE-2026-60171 · Published Jul 21, 2026 · updated Jul 27, 2026
Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.47. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| MySQL Cluster Product | >= 8.0.0, <= 8.0.47 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-400
More Oracle advisories
All Oracle| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 21 | Oracle HRMS (US): takeover via Internal Operations | High7.8 | No fix yet |
| Jul 21 | Oracle HRMS (US): data exposure via Internal Operations | Medium6.5 | No fix yet |
| Jul 21 | Oracle Work in Process: data tampering via Internal Operations | Medium5.4 | No fix yet |
| Jul 21 | Oracle HRMS (US): data tampering via US Payroll Year End | High7.1 | No fix yet |
| Jul 21 | Oracle HRMS (UK): data exposure via UK Payroll | High7.7 | No fix yet |
| Jul 21 | Oracle Java SE: takeover via Install | High7.8 | No fix yet |