How severe is CVE-2026-46861?

CVE-2026-46861 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-46861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46861?

CVE-2026-46861 affects Oracle Mysql Ndb Cluster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-46861 have an EU (EUVD) identifier?

Yes. CVE-2026-46861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37354.

When was CVE-2026-46861 published?

CVE-2026-46861 was published on 2026-06-17 and last updated on 2026-06-18.

CVE-2026-46861

CVE-2026-46861 is a critical-severity vulnerability in Oracle Mysql Ndb Cluster with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37354
Weakness: CWE-284
Affected product: Oracle Mysql Ndb Cluster
Published: 2026-06-17
Last modified: 2026-06-18

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).

Frequently asked questions

What is CVE-2026-46861?: 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).
How severe is CVE-2026-46861?: CVE-2026-46861 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-46861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46861?: CVE-2026-46861 affects Oracle Mysql Ndb Cluster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-46861 have an EU (EUVD) identifier?: Yes. CVE-2026-46861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37354.
When was CVE-2026-46861 published?: CVE-2026-46861 was published on 2026-06-17 and last updated on 2026-06-18.

References

https://www.oracle.com/security-alerts/cspujun2026.html

Affected products (1)

cpe:2.3:a:oracle:mysql_ndb_cluster:*:*:*:*:*:*:*:*

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