CVE-2026-4480-POC

CVE-2026-4480 - Samba 打印子系统远程代码执行 概述 关于 CVE-2026-4480 的概念验证和研究材料，这是一个影响 Samba 打印子系统的严重远程代码执行 RCE 漏洞。 该漏洞是由于对传递给配置的 print command 的用户可控打印作业描述符处理不当所致，该描述通过 %J 替换参数传递。 漏洞详情 CVE: CVE-2026-4480 组件: Samba 打印子系统 类型: 操作系统命令注入 CWE-78 影响: 远程代码执行 攻击向量: 网络 身份认证: 取决于配置 严重性: 严重 根据 Samba 安全公告，该问题的出现是因为在通过 %J...

CVE-2026-4480

🚨 CVE-2026-4480 - Samba打印子系统中的关键远程代码执行 远程代码执行（RCE） Samba打印命令注入漏洞 "一个打印作业名称绝不应该成为一条shell命令。" 📖 概述 CVE-2026-4480 是一个影响Samba打印子系统的严重命令注入漏洞。 在特定配置下，Samba可能会将用户控制的打印作业名称（%J）直接传入shell命令而未进行充分的转义或验证，从而可能允许攻击者在受影响服务器上执行任意命令。 🎯 漏洞详情 字段| 值 ---|--- CVE ID| CVE-2026-4480 严重性| 🔴 严重 CVSS评分| 10.0 CWE| CWE-78 类型...

Fedora 46 : libcupsfilters (2026-31aeb83b8c)

The remote Fedora 46 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-31aeb83b8c advisory. Automatic update for libcupsfilters-2.2.1-1.fc46. Changelog Tue Aug 11 2026 Zdenek Dohnal - 1:2.2.1-1 - fix pclmtoraster issues found in CI, 2.2.1...

OPENSUSE-SU-2026:21540-1 Security update for samba

This update for samba fixes the following issues: Update to 4.22.11. Security issues fixed: - CVE-2026-1933: missing access check on reparse point operations allows unauthorized users to modify the user.SmbReparse xattr bsc1261188. - CVE-2026-2340: WORM vfs module does not block directory...

MiracleLinux 9 : samba-4.23.5-10.el9_8 (AXSA:2026-1321:09)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1321:09 advisory. samba: Missing access check on reparse point operations CVE-2026-1933 samba: vfsworm does not block directory modification CVE-2026-2340 samba: grou...

VulnCheck KEV: CVE-2026-4480

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

Important: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

RHEL 9 : samba (RHSA-2026:28054)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28054 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 10 : samba (RHSA-2026:28055)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28055 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 8 : samba (RHSA-2026:28056)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28056 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 8 : samba (RHSA-2026:28057)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28057 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...

RHEL 8 : samba (RHSA-2026:28058)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28058 advisory. Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol,...