CVE-2026-46861: oracle corporation mysql ndb cluster Improper Access Control
Vulnerability summary
CVE-2026-46861 is a critical (CVSS 9.6) Improper Access Control vulnerability in oracle corporation mysql ndb cluster. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.5% of scored vulnerabilities.
Timeline
- 16-06-2026PublishedVulnerability first disclosed.
- 18-06-2026Last modifiedVulnerability information updated.
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).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.6CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.36% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle1 product
- mysql_ndb_cluster≥ 8.0.11, ≤ 8.0.46 | ≥ 8.4.0, ≤ 8.4.9 | ≥ 9.0.0, ≤ 9.7.0
Oracle corporation1 product
- mysql ndb cluster≥ 8.0.11, ≤ 8.0.46 | ≥ 8.4.0, ≤ 8.4.9 | ≥ 9.0.0, ≤ 9.7.0
2 vendors · 2 products
References
1 links- www.oracle.com/security-alerts/cspujun2026.htmlVendor Advisory