CVE-2026-101785 Oracle MySQL Server & MySQL Cluster - Broken Access Control

Oracle MySQL Server and MySQL Cluster 8.4.0-8.4.12, 9.7.0-9.7.3, and 26.7.0-26.7.1 contain a broken access control vulnerability in the Server JSON component, letting low privileged network attackers create, modify, read, or delete critical data and cause denial of service, exploit requires network access with low privileges.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Published
20 October 2026
Updated
21 October 2026

Vendor fix

Update to a version later than 8.4.12, 9.7.3, or 26.7.1 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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