samba: vfs_worm does not block directory modification

A flaw was found in Samba’s vfsworm module. The module is intended to provide write-once, read-many WORM protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenticated user with write access to a share...

samba: group policy certificate enrollment uses http:// without validation

A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability t...

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: Missing access check on reparse point operations

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-onl...

Critical: Red Hat Security Advisory: samba security update

An update for samba is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHSA-2026:22644 Red Hat Security Advisory: samba security update

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samba: Remote Code Execution in SAMR

A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. If this script is configured with the %u substitution character, the client-controlled username is passed without proper...

samba: vfs_worm does not block directory modification

A flaw was found in Samba’s vfsworm module. The module is intended to provide write-once, read-many WORM protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenticated user with write access to a share...

samba: group policy certificate enrollment uses http:// without validation

A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability t...

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...

AlmaLinux 8 : samba (ALSA-2026:22644)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:22644 advisory. samba: group policy certificate enrollment uses without validation CVE-2026-3012 samba: Samba: Remote Code Execution in printing subsystem via unescaped...

ALSA-2026:22963 Critical: samba security update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: Missing access check on reparse point operations...

Linux Distros Unpatched Vulnerability : CVE-2026-46139

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: use kzalloc to zero-initialize security descriptor buffer Commit 62e7dd0a39c2d smb: common: change the data type of numaces to le16 split struct...

[SECURITY] Fedora 44 Update: samba-4.24.3-1.fc44

Samba is the standard Windows interoperability suite of programs for Linux and Unix...

SUSE SLES15 Security Update : samba (SUSE-SU-2026:2108-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2108-1 advisory. This update for samba fixes the following issues - CVE-2026-2340: vfsworm does not block directory modification bsc1261158. -...

📄 Samba Print Command Injection

This Python proof of concept framework analyzes Samba printing configurations for unsafe print command usage involving the %J variable and demonstrates how command injection conditions could arise in vulnerable setups. It's written to target versions 4.22.10, 4.23.8 and 4.24.3...

Samba SMB Printer Share Utility Share Enumeration / File Access Testing Tool

This Python utility is a lightweight SMB interaction tool designed for enumerating Samba/Windows shares, identifying printer-related shares, testing write permissions, and uploading files to accessible SMB resources. It's written to target versions 4.22.10, 4.23.8 and 4.24.3...

Samba Print Configuration Checker

This Python script is a lightweight configuration analysis tool designed to inspect Samba smb.conf printing settings and identify potentially unsafe print command configurations associated with command injection risks. It's written to target versions 4.22.10, 4.23.8 and 4.24.3...

📄 Samba SMB Printer Queue Command Injection / Remote Task Delivery

This Python script is a structured exploitation framework targeting Samba print services exposed over SMB port 445. It focuses on printer-share interaction, payload delivery testing, and command execution workflows through manipulated print job submissions. It's written to target versions 4.22.10...

ALSA-2026:22644 Important: samba security update

Samba is an open-source implementation of the Server Message Block SMB protocol and the related Common Internet File System CIFS protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fixes: samba: group policy certificate enrollment uses without...