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composer

17 known vulnerabilities.

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  • Medium 6.1

    Composer: CVE-2026-59946 fix bypass via symlinked package bin path

    Composer is a dependency Manager for the PHP language. From 1.0 until 2.2.30 and from 2.3.0 until 2.10.3, a malicious or compromised dependency can bypass the earlier CVE-2026-59946 binary-path hardening because Composer validates literal parent-directory seg…

  • Medium 4.7

    Composer: URL-embedded HTTP-Basic username leaks to verbose logs (GitHub PAT exposure)

    Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, when Composer is run with -vvv debug verbosity, it could print a credential embedded in the username slot of a repository or package URL, such as a GitHub Personal Access Token…

  • Medium 6.1

    Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files

    Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer's binary installation flow to chmod an existing ho…

  • Medium 6.4

    Remote Code Execution via web-accessible composer.phar

    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 a remote code execution vulnerability if PHP also has `register_argc_argv` ena…

  • Medium 6.7

    Local privilege elevation in Composer-Setup for Windows

    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 local regular user may modify the existing `C:\ProgramData\ComposerSetup\bin\comp…