Exploit for CVE-2026-40176

CVE-2026-40176: Composer Perforce OS Command Injection PoC...

Exploit for CVE-2026-40176

!CAUTION THIS REPOSITORY CONTAINS PROOF-OF-CONCEPT CODE FO...

Fedora 43 : composer (2026-02c1f66b6a)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-02c1f66b6a advisory. Version 2.9.7 - 2026-04-14 Fixes regression calling custom script command aliases that are called a substring of a composer command 12802 ---- Versi...

FreeBSD : PHP Composer -- Multiple vulnerabilities (7a7a17b2-381c-11f1-a663-10ffe07f9334)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 7a7a17b2-381c-11f1-a663-10ffe07f9334 advisory. Composer project reports: Fixed command injection via malicious Perforce reference...

CVE-2026-40261

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

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-2026-40261

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

UBUNTU-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...

UBUNTU-CVE-2026-40261

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261 Composer has Command Injection via Malicious Perforce Reference

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261

CVE-2026-40261 affects the PHP package manager Composer. Affected are Composer versions 1.0–2.2.26 and 2.3–2.9.5, where Perforce::syncCodeBase() and Perforce::generateP4Command() construct shell commands by unsafe interpolation of input (sourceReference, source URL) into commands. This enables co...

CVE-2026-40261

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261 Composer has Command Injection via Malicious Perforce Reference

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261 Composer has Command Injection via Malicious Perforce Reference

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261

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::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

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...