CVE-2021-41116

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 injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.

• CWE-77
• CWE-77

• https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aaPatch, Third Party Advisory
• https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcfThird Party Advisory
• https://www.sonarsource.com/blog/securing-developer-tools-package-managers/
• https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aaPatch, Third Party Advisory
• https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcfThird Party Advisory
• https://www.sonarsource.com/blog/securing-developer-tools-package-managers/

Published

Oct 5, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-41110cwlviewer is a web application to view and share Common Work…9.8
• CVE-2021-41111Rundeck is an open source automation service with a web cons…5.4
• CVE-2021-41112Rundeck is an open source automation service with a web cons…8.1
• CVE-2021-41113TYPO3 is an open source PHP based web content management sys…8.8
• CVE-2021-41114TYPO3 is an open source PHP based web content management sys…5.3
• CVE-2021-41115Zulip is an open source team chat server. In affected versio…6.5
• CVE-2021-41117keypair is a a RSA PEM key generator written in javascript. …9.1
• CVE-2021-41118The DynamicPageList3 extension is a reporting tool for Media…7.5
• CVE-2021-41119Wire-server is the system server for the wire back-end servi…7.5
• CVE-2021-4112A flaw was found in ansible-tower where the default installa…8.8
• CVE-2021-41120sylius/paypal-plugin is a paypal plugin for the Sylius devel…7.5
• CVE-2021-41121Vyper is a Pythonic Smart Contract Language for the EVM. In …8.8