CVE-2026-40176 Composer is vulnerable to Command Injection via Malicious Perforce Repository

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::generateP4Command method, which constructs shell commands by interpolating user-supplied Perforce connection parameters port, user, client without...

CVE-2026-40176 Composer is vulnerable to Command Injection via Malicious Perforce Repository

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::generateP4Command method, which constructs shell commands by interpolating user-supplied Perforce connection parameters port, user, client without...

CVE-2026-40176 Composer is vulnerable to Command Injection via Malicious Perforce Repository

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::generateP4Command method, which constructs shell commands by interpolating user-supplied Perforce connection parameters port, user, client without...

CVE-2026-40176

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::generateP4Command method, which constructs shell commands by interpolating user-supplied Perforce connection parameters port, user, client without...

CVE-2026-40176

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::generateP4Command method, which constructs shell commands by interpolating user-supplied Perforce connection parameters port, user, client without...

CVE-2026-40176

CVE-2026-40176 affects Composer (PHP dependency manager). The vulnerability lies in Perforce integration: Perforce::generateP4Command() constructs shell commands by interpolating user-supplied Perforce connection parameters (port, user, client) without proper escaping, enabling command injection....

Linux Distros Unpatched Vulnerability : CVE-2026-40176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the...

Composer 安全漏洞

Composer is an open-source application developed by Composer. It provides a tool for declaring, managing, and installing dependencies of PHP projects. Versions 1.0 to 2.2.26, as well as 2.3 to 2.9.5 of Composer, have security vulnerabilities. These vulnerabilities stem from a command injection...

Linux Distros Unpatched Vulnerability : CVE-2026-40261

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the...

Composer 安全漏洞

Composer is an open-source application developed by Composer. It provides a tool for declaring, managing, and installing dependencies of PHP projects. Versions of Composer from 1.0 to 2.2.26, as well as from 2.3 to 2.9.5, have security vulnerabilities. These vulnerabilities stem from command...

Composer has a command injection via malicious perforce repository

Impact The Perforce::generateP4Command method constructed shell commands by interpolating user-supplied Perforce connection parameters port, user, client without proper escaping. An attacker controlling a repository configuration in a malicious composer.json declaring a Perforce VCS repository...

Command Injection

Overview composer/composer is a Dependency Manager for PHP. Composer helps you declare, manage and install dependencies of PHP projects. It ensures you have the right stack everywhere. Affected versions of this package are vulnerable to Command Injection via the generateP4Command function. An...

GHSA-WG36-WVJ6-R67P Composer has a command injection via malicious perforce repository

Impact The Perforce::generateP4Command method constructed shell commands by interpolating user-supplied Perforce connection parameters port, user, client without proper escaping. An attacker controlling a repository configuration in a malicious composer.json declaring a Perforce VCS repository...

Composer has a command injection via malicious perforce reference

Impact The Perforce::syncCodeBase method appended the $sourceReference parameter to a shell command without proper escaping, allowing an attacker to inject arbitrary commands through a crafted source reference containing shell metacharacters. Further as in GHSA-wg36-wvj6-r67p / CVE-2026-40176 the...

Command Injection

Overview composer/composer is a Dependency Manager for PHP. Composer helps you declare, manage and install dependencies of PHP projects. It ensures you have the right stack everywhere. Affected versions of this package are vulnerable to Command Injection via the Perforce::syncCodeBase and...

GHSA-GQW4-4W2P-838Q Composer has a command injection via malicious perforce reference

Impact The Perforce::syncCodeBase method appended the $sourceReference parameter to a shell command without proper escaping, allowing an attacker to inject arbitrary commands through a crafted source reference containing shell metacharacters. Further as in GHSA-wg36-wvj6-r67p / CVE-2026-40176 the...

composer: Composer: Terminal output manipulation leading to Denial of Service

A flaw was found in Composer, a dependency manager for PHP. A remote attacker could exploit this by injecting ANSI control characters into the terminal output of various Composer commands when Composer downloads from attacker-controlled remote sources. This can lead to mangled output, causing...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: composer: composer-2.9.7-1.hum1 noarch composer-2.9.7-1.hum1.src src...

composer: command injection via malicious Perforce repository definition

A flaw was found in Composer. Perforce::generateP4Command constructs shell commands by interpolating user-supplied Perforce connection parameters port, user, client without proper escaping, allowing an attacker to inject arbitrary commands through these values in a malicious composer.json declari...

composer: command injection via malicious Perforce source reference/url

A flaw was found in Composer. Perforce::syncCodeBase appends the $sourceReference parameter to a shell command without proper escaping, allowing an attacker to inject arbitrary commands through a crafted source reference containing shell metacharacters...