CVE-2026-101772 Oracle MySQL Server & Cluster - Authentication Bypass

Oracle MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1 and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1 contain a remote takeover vulnerability caused by a flaw in client programs, letting unauthenticated attackers with network access compromise the server, exploit requires high attack complexity.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

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

Vendor fix

Update to the latest available version of Oracle MySQL Server and MySQL Cluster.

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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