Getcomposer is a widely adopted dependency-management tool for PHP applications, and despite a narrow product footprint, its prominence in the development supply chain means vulnerabilities can propagate across thousands of downstream projects. The vendor's exposure centers on input-handling and command-execution weaknesses—improper input validation, argument injection, and OS command injection—that reflect the tool's role in parsing dependencies and invoking external processes, with a meaningful share of disclosures reaching serious severity. Current exploitation activity and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Getcomposer over time
Signals from CVEs in this vendor scope (10 CVEs).
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-40261HIGH 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 | Apr 15, 2026 | 8.8 | 37 | NO | NO |
CVE-2026-40176HIGH 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, w | Apr 15, 2026 | 7.8 | 34 | NO | NO |
CVE-2021-41116CRITICAL Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command inj | Oct 5, 2021 | 9.8 | 33 | NO | NO |
CVE-2021-29472HIGH Composer is a dependency manager for PHP. URLs for Mercurial repositories in the root composer.json and package source download URLs are not sanitized correctly. Specifically craft | Apr 27, 2021 | 8.8 | 29 | NO | NO |
CVE-2022-24828HIGH Composer is a dependency manager for the PHP programming language. Integrators using Composer code to call `VcsDriver::getFileContent` can have a code injection vulnerability if th | Apr 13, 2022 | 8.8 | 28 | NO | NO |
CVE-2024-24821HIGH Composer is a dependency Manager for the PHP language. In affected versions several files within the local working directory are included during the invocation of Composer and in t | Feb 9, 2024 | 7.8 | 26 | NO | NO |
CVE-2023-43655HIGH Composer is a dependency manager for PHP. Users publishing a composer.phar to a public web-accessible server where the composer.phar can be executed as a php file may be subject to | Sep 29, 2023 | 8.8 | 26 | NO | NO |
CVE-2015-8371HIGH Composer before 2016-02-10 allows cache poisoning from other projects built on the same host. This results in attacker-controlled code entering a server-side build process. The iss | Sep 21, 2023 | 8.8 | 25 | NO | NO |
CVE-2025-67746MEDIUM Composer is a dependency manager for PHP. In versions on the 2.x branch prior to 2.2.26 and 2.9.3, attackers controlling remote sources that Composer downloads from might in some w | Dec 30, 2025 | 4.3 | 20 | NO | NO |
CVE-2020-15145HIGH In Composer-Setup for Windows before version 6.0.0, if the developer's computer is shared with other users, a local attacker may be able to exploit the following scenarios. 1. A lo | Aug 14, 2020 | 8.2 | 20 | NO | NO |
Signals from CVEs in this vendor scope (10 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Getcomposer.
Media articles that mention a CVE ID that affects a product developed by Getcomposer — matched by CVE ID, not by vendor name.