SB20261110156 - Multiple vulnerabilities in MySQL Router

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Main Vulnerability Database SB20261110156

SB20261110156 - Multiple vulnerabilities in MySQL Router

Published: November 10, 2026

Security Bulletin ID SB20261110156
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 60% Low 40%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2026-101633)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote authenticated user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Router: General component in MySQL Router. A remote authenticated user can exploit this vulnerability to gain access to sensitive information.


2) Improper input validation (CVE-ID: CVE-2026-101632)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Router: General component in MySQL Router. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.


3) Improper input validation (CVE-ID: CVE-2026-101631)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Router: General component in MySQL Router. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


4) Improper input validation (CVE-ID: CVE-2026-101783)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Router: General component in MySQL Router. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.


5) Improper input validation (CVE-ID: CVE-2026-101810)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Router: General component in MySQL Router. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References