Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Router. 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).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00463.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Oracle Corporation MySQL Router affected
Version Status Constraints
8.4.0 affected ≤ 8.4.9
9.0.0 affected ≤ 9.7.0

Configuration 1 [-]

OR cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Oracle Subscribe
Mysql Router Subscribe

Project Subscriptions

Vendors Products
Oracle Subscribe
Mysql Router Subscribe
Advisories
Source ID Title
Ubuntu USN Ubuntu USN USN-8457-1 MySQL vulnerabilities
Ubuntu USN Ubuntu USN USN-8457-2 MySQL vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.oracle.com/security-alerts/cspujun2026.html cve-icon cve-icon
History

Thu, 18 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via Unauthenticated Network Access in Oracle MySQL Router 8.4.0‑9.7.0
Weaknesses CWE-400
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 16 Jun 2026 20:45:00 +0000

Type Values Removed Values Added
Description Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Router. 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).
First Time appeared Oracle
Oracle mysql Router
CPEs cpe:2.3:a:oracle:mysql_router:*:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle mysql Router
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-06-17T14:52:09.095Z

Reserved: 2026-05-18T15:55:10.307Z

Link: CVE-2026-46862

cve-icon Vulnrichment

Updated: 2026-06-17T14:52:00.522Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-17T10:54:03.863

Modified: 2026-06-18T22:42:31.240

Link: CVE-2026-46862

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-17T18:30:04Z

Weaknesses