SB20261110158 - Multiple vulnerabilities in MySQL Connectors
Published: November 10, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 8 vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2026-101804)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local non-authenticated attacker to perform service disruption.
The vulnerability exists due to improper input validation within the Connector/ODBC component in MySQL Connectors. A local non-authenticated attacker can exploit this vulnerability to perform service disruption.
2) Improper input validation (CVE-ID: CVE-2026-101625)
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 Connector/Net component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
3) Improper input validation (CVE-ID: CVE-2026-101678)
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:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The vulnerability exists due to improper input validation within the Connector/J component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.
4) Improper input validation (CVE-ID: CVE-2026-101677)
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:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The vulnerability exists due to improper input validation within the Connector/J component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.
5) Improper input validation (CVE-ID: CVE-2026-101626)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/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 Connector/Net component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
6) Improper input validation (CVE-ID: CVE-2026-101806)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote authenticated user to read and manipulate data.
The vulnerability exists due to improper input validation within the Connector/ODBC component in MySQL Connectors. A remote authenticated user can exploit this vulnerability to read and manipulate data.
7) Improper input validation (CVE-ID: CVE-2026-83404)
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:H/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 Connector/Python component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
8) Improper input validation (CVE-ID: CVE-2026-101768)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Connector/J component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
Remediation
Install update from vendor's website.