# CVE-2026-101616: CVE-2026-101616

Status: published. Published: 2026-10-20. Updated: 2026-11-05.

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: JSON).  Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and  26.7.0-26.7.1. 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).

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Oracle Corporation / MySQL Server: 8.4.0-8.4.12 (affected); 9.7.0-9.7.3 (affected); 26.7.0-26.7.1 (affected). Source: CNA: oracle
- Oracle Corporation / MySQL Cluster: 8.0.0-8.0.49 (affected); 8.4.0-8.4.12 (affected); 9.7.0-9.7.3 (affected); 26.7.0-26.7.1 (affected). Source: CNA: oracle

## Severity and prioritization

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H; source: CNA: oracle

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H; source: NVD: secalert_us@oracle.com

- CISA KEV: No listing in collected sources

- EPSS: 0.39% as of 2026-11-05; percentile 33.77%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-400

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.oracle.com/security-alerts/cpuoct2026.html (CNA: oracle; vendor-advisory)

- https://www.oracle.com/security-alerts/cpuoct2026.html (secalert_us@oracle.com)

## Provenance

- CNA: oracle: https://www.cve.org/CVERecord?id=CVE-2026-101616; retrieved 2026-11-05; source updated 2026-11-05

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-101616; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-101616; retrieved 2026-11-05; source updated Not reported

Revision: 59d4665923a567af89f2d438aefbead80e311ee3cdd993449d6b09613637d043

Canonical: https://y2.dev/cve/CVE-2026-101616

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