The vulnerability of the Perforce::generateP4Command() method in the dependency manager for PHP Composer allows a malicious actor to execute arbitrary commands.

The vulnerability of the Perforce::generateP4Command method in the dependency manager for PHP Composer is related to the failure to take measures to eliminate special elements. Exploiting this vulnerability allows a perpetrator to execute arbitrary commands using a specially crafted JSON file...

CVE-2026-40176: Improper Input Validation

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: Improper Neutralization of Special Elements used in an OS Command

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...