CVE-2026-101679CWE-284broken-access-control

CVE-2026-101679

High · published October 21, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
35.8
In the wild
Unconfirmed
What it is

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00426 · 35.8th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-10-21T02:18Z
References (1)
https://www.oracle.com/security-alerts/cpuoct2026.html · [email protected]
EPSS history
Timeline
  • 22 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 20 OCT 21:22Z
    Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs)
    cvelistv5
  • 20 OCT 21:22Z
    Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs)
    cvelistv5