Vulnerability in Oracle Corporation MySQL Router

[ Description ]Official description

Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols 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).

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL21 Oct 2026NCSC-2026-0441

  Vulnerabilities fixed in Oracle MySQL Translated from Dutch

  Probability/damage M/HCVE-2025-15467CVE-2026-9547CVE-2026-83404+15 more CVEs
• CERT-FR21 Oct 2026CERTFR-2026-AVI-1351

  Multiple vulnerabilities in Oracle MySQL Translated from French

  Multiple vulnerabilities have been discovered in Oracle MySQL. Some of them allow an attacker to cause remote arbitrary code execution, remote denial of service and a breach of data confidentiality.

  CVE-2026-101721CVE-2026-101632CVE-2026-101629+157 more CVEs
• BSI CERT-Bund20 Oct 2026WID-SEC-2026-4081

  Oracle MySQL: Multiple vulnerabilities Translated from German

  Risk highCVE-2026-101773CVE-2026-101625CVE-2026-101806+93 more CVEs

[ References ]References

• www.oracle.com/security-alerts/cpuoct2026.html