There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in
    ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in
    embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.
    (CVE-2026-49825)

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

  - lxml 係指以 Python 語言處理 XML 和 HTML 的程式庫。在之前 6.1.1，「lxml.html.defs.link_attrs」中的連結屬性缺少「xlink：href」，該屬性可用於內嵌 SVG/MathML/etc. 內容中的 URL 繞過攻擊。此弱點已在 lxml 6.1.1 和 lxml_html_clean 0.4.5中修正。
    (CVE-2026-49825)

請注意，Nessus 依賴供應商報告的套件存在。

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。

  - lxml 指使用 Python 语言处理 XML 和 HTML 的库。之前 6.1.1，“lxml.html.defs.link_attrs”中的链接属性缺少“xlink：href”，可用于在嵌入式 SVG/MathML/etc. 内容中发起 URL 绕过攻击。此漏洞已在 lxml 6.1.1 和 lxml_html_clean 0.4.5中修复。
    (CVE-2026-49825)

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。

  - lxmlは Python 言語で XML および HTML を処理するためのライブラリです。6.1.1 より前に、「lxml.html.defs.link_attrs」のリンク属性に「xlink:href」が欠如していました。これは、埋め込み SVG/MathML/etc. コンテンツでの URL バイパス攻撃に利用される可能性があります。この脆弱性は、lxml 6.1.1 および lxml_html_clean 0.4.5 で修正されました。
    (CVE-2026-49825)

Nessus は、ベンダーによって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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104952 advisory.

    lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in     ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in     embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.

Tenable has extracted the preceding description block directly from the Unity 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in     ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in     embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.
    (CVE-2026-49825)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
444534	SCA: security update for lxml_html_clean (GHSA-4jhm-jv67-739f)	Tenable Self-Hosted Container Security	SCA Checks	2026/7/9	2026/8/21	high
444534	SCA: security update for lxml_html_clean (GHSA-4jhm-jv67-739f)	Tenable Cloud Security	SCA Checks	2026/7/9	2026/8/21	high
338704	Linux Distros 未修補弱點：CVE-2026-49825	Nessus	Misc.	2026/8/21	2026/9/2	high
338704	Linux Distros 未修补的漏洞：CVE-2026-49825	Nessus	Misc.	2026/8/21	2026/9/2	high
338704	Linux Distros のパッチ未適用の脆弱性: CVE-2026-49825	Nessus	Misc.	2026/8/21	2026/9/2	high
341409	Unity Linux 20.1070e Security Update: python-lxml (UTSA-2026-104952)	Nessus	Unity Linux Local Security Checks	2026/8/29	2026/8/29	high
338704	Linux Distros Unpatched Vulnerability : CVE-2026-49825	Nessus	Misc.	2026/8/21	2026/9/2	high

检测

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