Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). 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 low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

oracle CPUApr2026: MySQL Server 8.0.46

oracle CPUApr2026: MySQL Server 8.4.9

An update of the mysql package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin).
    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 low 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. (CVE-2026-34276)

Note that Nessus relies on the presence of the package as reported by the vendor.

The versions of MySQL Server installed on the remote host are affected by multiple vulnerabilities as referenced in the April 2026 CPU advisory.

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (OpenSSL)). 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     unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of     this vulnerability can result in takeover of MySQL Server. (CVE-2025-15467)

  - 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 low 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.
    (CVE-2026-22009)

  - Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Packaging (curl)). 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. Difficult to exploit vulnerability allows     unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server.
    Successful attacks require human interaction from a person other than the attacker. Successful attacks of this     vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server     accessible data as well as unauthorized access to critical data or complete access to all MySQL Server accessible data.
    (CVE-2025-14017)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
314594	Photon OS 4.0: Mysql PHSA-2026-4.0-1011	Nessus	PhotonOS Local Security Checks	medium
313508	Photon OS 5.0: Mysql PHSA-2026-5.0-0842	Nessus	PhotonOS Local Security Checks	medium
309927	Linux Distros Unpatched Vulnerability : CVE-2026-34276	Nessus	Misc.	medium
309899	Oracle MySQL Server 8.4.x < 8.4.9 (April 2026 CPU)	Nessus	Databases	high
309898	Oracle MySQL Server 9.x.x < 9.7.0 (April 2026 CPU)	Nessus	Databases	high
309897	Oracle MySQL Server 8.0.x < 8.0.46 (April 2026 CPU)	Nessus	Databases	high

Detections

Analytics

CVE-2026-34276

medium

Tenable Plugins

Coming Soon

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