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Alta

Composer code execution and possible privilege escalation via compromised InstalledVersions.php or installed.php

  • Publicada: 08.02.2024
  • Actualizado: 11.10.2026 10:22

Impact

Several files within the local working directory are included during the invocation of Composer and in the context of the executing user.

As such, under certain conditions arbitrary code execution may lead to local privilege escalation, provide lateral user movement or malicious code execution when Composer is invoked within a directory with tampered files.

All Composer CLI commands are affected, including composer.phar's self-update.

The following are of high risk:

  • Composer being run with sudo.
  • Pipelines which may execute Composer on untrusted projects.
  • Shared environments with developers who run Composer individually on the same project.

Patches

2.7.0, 2.2.23

Workarounds

  • It is advised that the patched versions are applied at the earliest convenience.

Where not possible, the following should be addressed:

  • Remove all sudo composer privileges for all users to mitigate root privilege escalation.
  • Avoid running Composer within an untrusted directory, or if needed, verify that the contents of vendor/composer/InstalledVersions.php and vendor/composer/installed.php do not include untrusted code.

A reset can also be done on these files by the following:

bash
rm vendor/composer/installed.php vendor/composer/InstalledVersions.php
composer install --no-scripts --no-plugins

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de Composer composer/composer >= 2.0.0-alpha1, < 2.2.23, >= 2.3.0-rc1, < 2.7.0 2.2.23, 2.7.0

Referencias

Puntuación CVSS 8.8/10
Vector CVSS
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Debilidad (CWE)
CWE-829
Plataforma
Composer
Paquete
composer/composer
Publicada
08.02.2024
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-7c6p-848j-wh5h - CC BY 4.0

Historial de vulnerabilidades: composer/composer

Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (17) en el archivo
Entradas en total
17
Primera → última
04.2021 10.2026
Sin corrección
0
Explotada en ataques
0

Distribución por gravedad

  • Alta 13
  • Media 3
  • Baja 1

Divulgaciones por año

Gravedad:
  1. Composer arbitrary command execution via a malicious package's Perforce source URL
    Alta CVE-2026-84361 >= 2.3.0, < 2.10.3, >= 1.0, < 2.2.30 2.10.3, 2.2.30
  2. Composer: Arbitrary file write outside vendor via malicious transitive package name
    Alta · 7.0 CVE-2026-59948 >= 2.3.0, < 2.10.2, >= 1.0.0, < 2.2.29 2.10.2, 2.2.29
  3. Github Actions issued GITHUB_TOKEN disclosure in GitHub Actions logs
    Alta · 7.5 CVE-2026-45793 >= 2.3.0, < 2.9.8, >= 2.0.0, < 2.2.28, >= 1.0, < 1.10.28 2.9.8, 2.2.28, 1.10.28
  4. Composer has a command injection via malicious perforce repository
    Alta · 7.8 CVE-2026-40176 >= 2.3.0, < 2.9.6, >= 1.0.0, < 2.2.27 2.9.6, 2.2.27
  5. Composer has a command injection via malicious perforce reference
    Alta · 8.8 CVE-2026-40261 >= 2.3.0, < 2.9.6, >= 1.0.0, < 2.2.27 2.9.6, 2.2.27
  6. Composer has a command injection via malicious git branch name
    Alta · 8.8 CVE-2024-35241 >= 2.0, < 2.2.24, >= 2.3, < 2.7.7 2.2.24, 2.7.7
  7. Composer has multiple command injections via malicious git/hg branch names
    Alta · 8.8 CVE-2024-35242 >= 2.0, < 2.2.24, >= 2.3, < 2.7.7 2.2.24, 2.7.7
  8. Composer code execution and possible privilege escalation via compromised InstalledVersions.php or installed.php esta entrada
    Alta · 8.8 CVE-2024-24821 >= 2.0.0-alpha1, < 2.2.23, >= 2.3.0-rc1, < 2.7.0 2.2.23, 2.7.0
  9. Composer Remote Code Execution vulnerability via web-accessible composer.phar
    Alta · 8.8 CVE-2023-43655 < 1.10.27, >= 2.0.0, < 2.2.22, >= 2.3.0, < 2.6.4 1.10.27, 2.2.22, 2.6.4
  10. Composer allows cache poisoning from other projects built on the same host
    Alta · 8.8 CVE-2015-8371 < 1.0.0 1.0.0
  11. Missing input validation can lead to command execution in composer
    Alta · 8.3 CVE-2022-24828 < 1.10.26, >= 2.0, < 2.2.12, >= 2.3, < 2.3.5 1.10.26, 2.2.12, 2.3.5
  12. Improper escaping of command arguments on Windows leading to command injection
    Alta · 8.2 CVE-2021-41116 < 1.10.23, >= 2.0.0-alpha1, < 2.1.9 1.10.23, 2.1.9
  13. Composer's missing argument delimiter can lead to code execution via VCS repository URLs or source download URLs on systems with Mercurial
    Alta · 8.8 CVE-2021-29472 < 1.10.22, >= 2.0.0-alpha1, < 2.0.13 1.10.22, 2.0.13

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