Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且廠商未提供可用的修補程式。

  - Grafana OSS 和 Grafana Enterprise 在擷取外掛程式封存時，無法安全地解析符號連結。
    特製的外掛程式封存可以鏈結相對符號連結項目以逸出外掛程式安裝目錄，在該目錄之外寫入任意檔案和可執行的後端二進位檔案。丟棄的可執行檔會以 Grafana 伺服器處理程序的權限執行，進而導致遠端程式碼執行。
    外掛程式封存會在驗證其簽章之前擷取，因此有效的外掛程式簽章不會阻止寫入。因此，安裝看似合法的外掛程式，以及使用 grafana-cli、GF_INSTALL_PLUGINS 環境變數或預先安裝組態從任意封存安裝外掛程式，可能會影響操作員。Grafana Enterprise 會受到影響，因為它包含與 Grafana OSS 相同的外掛程式擷取程式碼。（CVE-2026-15815）

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - Grafana OSS 和 Grafana Enterprise 在提取插件存档时未安全解析符号链接。
    构建的插件存档文件可以链接相对符号链接条目以转义插件安装目录，从而在该目录之外写入任意文件和可执行的后端二进制文件。终止的可执行文件以 Grafana 服务器进程的权限运行，导致远程代码执行。
    插件存档在验证签名之前会提取，因此有效的插件签名不会阻止写入。因此，通过安装似乎合法的插件，以及使用 grafana-cli、GF_INSTALL_PLUGINS 环境变量或预安装配置从任意存档安装插件，操作员可受到影响。Grafana Enterprise 受到影响，因为它包含与 Grafana OSS 相同的插件提取代码。（CVE-2026-15815）

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - Grafana OSSおよびGrafana Enterpriseは、プラグインアーカイブを抽出するとき、シンボリックリンクを安全に解決しませんでした。
    細工されたプラグインアーカイブが、相対的なシンボリックリンクエントリを連結してプラグインインストールディレクトリをエスケープし、そのディレクトリの外側に任意のファイルと実行可能なバックエンドバイナリを書き込む可能性があります。ドロップされた実行可能ファイルは、Grafanaサーバープロセスの権限で実行され、リモートでコードが実行されます。
    プラグインアーカイブは、署名が検証される前に抽出されるため、有効なプラグイン署名が書き込みを妨げることはありません。したがって、正規のように見えるプラグインをインストールしたり、grafana-cli、GF_INSTALL_PLUGINSの環境変数、またはプレインストール構成を使用して任意のアーカイブからプラグインをインストールしたりすることで、オペレーターが影響を受ける可能性があります。Grafana Enterpriseは、Grafana OSSと同じプラグイン抽出コードを含んでいるため、影響を受けます。(CVE-2026-15815)

Nessus は、ベンダーから報告されたパッケージの存在に依存していることに注意してください。

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

  - Grafana OSS and Grafana Enterprise did not safely resolve symbolic links when extracting plugin archives.
    A crafted plugin archive can chain relative symbolic link entries to escape the plugin installation     directory, writing arbitrary files and an executable backend binary outside that directory. The dropped     executable runs with the privileges of the Grafana server process, resulting in remote code execution.
    Plugin archives are extracted before their signature is verified, so a valid plugin signature does not     prevent the write. An operator can therefore be affected by installing a plugin that appears legitimate,     as well as by installing a plugin from an arbitrary archive using grafana-cli, the GF_INSTALL_PLUGINS     environment variable, or preinstall configuration. Grafana Enterprise is affected because it includes the     same plugin extraction code as Grafana OSS. (CVE-2026-15815)

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:83544 advisory.

    Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB &     OpenTSDB.

    Security Fix(es):

    * grafana: PLUGIN ARCHIVE EXTRACTION ESCAPES THE PLUGIN DIRECTORY, ALLOWING CODE EXECUTION     (CVE-2026-15815)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-83544 advisory.

    - Fixes CVE-2024-1442 Add email verification when updating user email [Orabug: 38550520]
    - CVE-2026-15815 grafana: PLUGIN ARCHIVE EXTRACTION ESCAPES THE PLUGIN DIRECTORY, ALLOWING CODE EXECUTION
    - CVE-2026-42504 grafana: Golang MIME: Denial of Service via maliciously-crafted MIME header [rhel-9.8.z]

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:1054 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2026-93450:
    go-openapi/swag jsonutils before 0.27.1 contains a stack overflow vulnerability in ordered JSON parsing     and serialization due to unbounded recursion with no depth limit. Remote unauthenticated attackers can     submit deeply nested JSON documents to services accepting OpenAPI specifications, causing fatal stack     overflow that terminates the process and all in-flight requests.

    CVE-2026-15815:
    Grafana OSS and Grafana Enterprise did not safely resolve symbolic links when extracting plugin archives.
    A crafted plugin archive can chain relative symbolic link entries to escape the plugin installation     directory, writing arbitrary files and an executable backend binary outside that directory. The dropped     executable runs with the privileges of the Grafana server process, resulting in remote code execution.
    Plugin archives are extracted before their signature is verified, so a valid plugin signature does not     prevent the write.

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

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

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:83544 advisory.

    * grafana: PLUGIN ARCHIVE EXTRACTION ESCAPES THE PLUGIN DIRECTORY, ALLOWING CODE EXECUTION     (CVE-2026-15815)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

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

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:83544 advisory.

    * grafana: PLUGIN ARCHIVE EXTRACTION ESCAPES THE PLUGIN DIRECTORY, ALLOWING CODE EXECUTION     (CVE-2026-15815)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

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

ID	Name	Product	Family	Published	Updated	Severity
353332	Linux Distros 未修補弱點：CVE-2026-15815	Nessus	Misc.	9/30/2026	10/15/2026	high
353332	Linux Distros 未修补的漏洞：CVE-2026-15815	Nessus	Misc.	9/30/2026	10/15/2026	high
353332	Linux Distros のパッチ未適用の脆弱性: CVE-2026-15815	Nessus	Misc.	9/30/2026	10/15/2026	high
353332	Linux Distros Unpatched Vulnerability : CVE-2026-15815	Nessus	Misc.	9/30/2026	10/15/2026	high
366225	RHEL 8 : grafana (RHSA-2026:83544)	Nessus	Red Hat Local Security Checks	10/15/2026	10/15/2026	high
366311	Oracle Linux 8 : grafana (ELSA-2026-83544)	Nessus	Oracle Linux Local Security Checks	10/15/2026	10/15/2026	high
353448	TencentOS Server 4: grafana (TSSA-2026:1054)	Nessus	Tencent Local Security Checks	9/30/2026	9/30/2026	high
366105	AlmaLinux 8 : grafana (ALSA-2026:83544)	Nessus	Alma Linux Local Security Checks	10/15/2026	10/15/2026	high
366492	RockyLinux 8 : grafana (RLSA-2026:83544)	Nessus	Rocky Linux Local Security Checks	10/16/2026	10/16/2026	high

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