CVE-2026-46861 Missing authorization in MySQL NDB Cluster
Low-privileged attackers can bypass authorization to read, create, delete, or modify critical data in MySQL NDB Cluster via HTTP.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46861?
CVE-2026-46861 is a critical missing authorization vulnerability in Oracle Corporation MySQL NDB Cluster, published on 16 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vulnerability in the MySQL NDB Cluster product of Oracle MySQL (component: Cluster: NDB Operator). Supported versions that are affected are 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise MySQL NDB Cluster. While the vulnerability is in MySQL NDB Cluster, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL NDB Cluster accessible data as well as unauthorized access to critical data or complete access to all MySQL NDB Cluster accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-46861?
It affects 1 product.
Products include Oracle Mysql Ndb Cluster.
How do I fix CVE-2026-46861?
No fix has been published for CVE-2026-46861 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-46861 being exploited?
There is no known exploitation of CVE-2026-46861 in the wild and no public exploit code.
Sources
Also known as GHSA-fh86-wppw-x96f.