CVE-2026-22005: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-22005?
CVE-2026-22005 is considered a high severity vulnerability due to its potential for exploitation by attackers with high privileges.
How do I fix CVE-2026-22005?
To fix CVE-2026-22005, upgrade your MySQL Server to a version beyond 8.0.45, 8.4.8, or 9.6.0 as applicable.
What versions of MySQL Server are affected by CVE-2026-22005?
CVE-2026-22005 affects MySQL Server versions 8.0.0 to 8.0.45, 8.4.0 to 8.4.8, and 9.0.0 to 9.6.0.
Can CVE-2026-22005 be exploited remotely?
Yes, CVE-2026-22005 can be exploited remotely by high privileged attackers with network access.
What components of MySQL Server does CVE-2026-22005 affect?
CVE-2026-22005 affects the Optimizer component of the MySQL Server product.