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CVE-2026-40261

CVE-2026-40261 · Composer has Command Injection via Malicious Perforce Reference

Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.

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 Perforce::generateP4Command() method as in GHSA-wg36-wvj6-r67p / CVE-2026-40176, which interpolates user-supplied Perforce connection parameters (port, user, client) from the source url field without proper escaping. An attacker can inject arbitrary commands through crafted source reference or source url values containing shell metacharacters, even if Perforce is not installed. Unlike CVE-2026-40176, the source reference and url are provided as part of package metadata, meaning any compromised or malicious Composer repository can serve package metadata declaring perforce as a source type with malicious values. This vulnerability is exploitable when installing or updating dependencies from source, including the default behavior when installing dev-prefixed versions. This issue has been fixed in Composer 2.2.27 (2.2 LTS) and 2.9.6 (mainline). If developers are unable to immediately update, they can avoid installing dependencies from source by using --prefer-dist or the preferred-install: dist config setting, and only use trusted Composer repositories as a workaround.

CVSS 8.8 · Alta · EPSS 1,7% · Corrección disponible

Publicación
Actualización

Pila tecnológica: system · php

Productos y versiones afectados

  • composer

    Versiones
    • >= 2.3.0, < 2.9.6: Afectada
    • >= 1.0.0, < 2.2.27: Afectada

    Sin corrección publicada

  • composer Debian:12

    Versiones
    • 2.5.5-1
    • 2.5.5-1+deb12u1
    • 2.5.5-1+deb12u2
    • 2.5.5-1+deb12u3
    Intervalos de versiones afectados
    • ECOSYSTEM: < 2.5.5-1+deb12u4

    Actualiza a 2.5.5-1+deb12u4

  • composer Debian:13

    Versiones
    • 2.8.8-1
    • 2.8.8-1+deb13u1
    Intervalos de versiones afectados
    • ECOSYSTEM: < 2.8.8-1+deb13u2

    Actualiza a 2.8.8-1+deb13u2

  • composer Debian:14

    Versiones
    • 2.8.10-1
    • 2.8.11-1
    • 2.8.11-2
    • 2.8.12-1
    • 2.8.8-1
    • 2.8.9-1
    • 2.9.0~rc1-1
    • 2.9.1-1
    • 2.9.2-1
    • 2.9.3-1
    • 2.9.4-1
    • 2.9.5-1
    Intervalos de versiones afectados
    • ECOSYSTEM: < 2.9.7-1

    Actualiza a 2.9.7-1

  • composer/composer Packagist

    Versiones
    • 2.3.0
    • 2.3.1
    • 2.3.10
    • 2.3.2
    • 2.3.3
    • 2.3.4
    • 2.3.5
    • 2.3.6
    • 2.3.7
    • 2.3.8
    • 2.3.9
    • 2.4.0
    • 2.4.0-RC1
    • 2.4.1
    • 2.4.2
    • 2.4.3
    • 2.4.4
    • 2.5.0
    • 2.5.1
    • 2.5.2
    • 2.5.3
    • 2.5.4
    • 2.5.5
    • 2.5.6
    • 2.5.7
    • 2.5.8
    • 2.6.0
    • 2.6.1
    • 2.6.2
    • 2.6.3
    • 2.6.4
    • 2.6.5
    • 2.6.6
    • 2.7.0
    • 2.7.1
    • 2.7.2
    • 2.7.3
    • 2.7.4
    • 2.7.5
    • 2.7.6
    • 2.7.7
    • 2.7.8
    • 2.7.9
    • 2.8.0
    • 2.8.1
    • 2.8.10
    • 2.8.11
    • 2.8.12
    • 2.8.2
    • 2.8.3
    • 2.8.4
    • 2.8.5
    • 2.8.6
    • 2.8.7
    • 2.8.8
    • 2.8.9
    • 2.9.0
    • 2.9.0-RC1
    • 2.9.1
    • 2.9.2
    • 2.9.3
    • 2.9.4
    • 2.9.5
    Intervalos de versiones afectados
    • ECOSYSTEM: ≥ 2.3.0, < 2.9.6

    Actualiza a 2.9.6

  • composer/composer Packagist

    Versiones
    • 1.0.0
    • 1.0.1
    • 1.0.2
    • 1.0.3
    • 1.1.0
    • 1.1.0-RC
    • 1.1.1
    • 1.1.2
    • 1.1.3
    • 1.10.0
    • 1.10.0-RC
    • 1.10.1
    • 1.10.10
    • 1.10.11
    • 1.10.12
    • 1.10.13
    • 1.10.14
    • 1.10.15
    • 1.10.16
    • 1.10.17
    • 1.10.18
    • 1.10.19
    • 1.10.2
    • 1.10.20
    • 1.10.21
    • 1.10.22
    • 1.10.23
    • 1.10.24
    • 1.10.25
    • 1.10.26
    • 1.10.27
    • 1.10.28
    • 1.10.3
    • 1.10.4
    • 1.10.5
    • 1.10.6
    • 1.10.7
    • 1.10.8
    • 1.10.9
    • 1.2.0
    • 1.2.0-RC
    • 1.2.1
    • 1.2.2
    • 1.2.3
    • 1.2.4
    • 1.3.0
    • 1.3.0-RC
    • 1.3.1
    • 1.3.2
    • 1.3.3
    • 1.4.0
    • 1.4.1
    • 1.4.2
    • 1.4.3
    • 1.5.0
    • 1.5.1
    • 1.5.2
    • 1.5.3
    • 1.5.4
    • 1.5.5
    • 1.5.6
    • 1.6.0
    • 1.6.0-RC
    • 1.6.1
    • 1.6.2
    • 1.6.3
    • 1.6.4
    • 1.6.5
    • 1.7.0
    • 1.7.0-RC
    • 1.7.1
    • 1.7.2
    • 1.7.3
    • 1.8.0
    • 1.8.1
    • 1.8.2
    • 1.8.3
    • 1.8.4
    • 1.8.5
    • 1.8.6
    • 1.9.0
    • 1.9.1
    • 1.9.2
    • 1.9.3
    • 2.0.0
    • 2.0.0-RC1
    • 2.0.0-RC2
    • 2.0.0-alpha1
    • 2.0.0-alpha2
    • 2.0.0-alpha3
    • 2.0.1
    • 2.0.10
    • 2.0.11
    • 2.0.12
    • 2.0.13
    • 2.0.14
    • 2.0.2
    • 2.0.3
    • 2.0.4
    • 2.0.5
    • 2.0.6
    • 2.0.7
    • 2.0.8
    • 2.0.9
    • 2.1.0
    • 2.1.0-RC1
    • 2.1.1
    • 2.1.10
    • 2.1.11
    • 2.1.12
    • 2.1.14
    • 2.1.2
    • 2.1.3
    • 2.1.4
    • 2.1.5
    • 2.1.6
    • 2.1.7
    • 2.1.8
    • 2.1.9
    • 2.2.0
    • 2.2.0-RC1
    • 2.2.1
    • 2.2.10
    • 2.2.11
    • 2.2.12
    • 2.2.13
    • 2.2.14
    • 2.2.15
    • 2.2.16
    • 2.2.17
    • 2.2.18
    • 2.2.19
    • 2.2.2
    • 2.2.20
    • 2.2.21
    • 2.2.22
    • 2.2.23
    • 2.2.24
    • 2.2.25
    • 2.2.26
    • 2.2.3
    • 2.2.4
    • 2.2.5
    • 2.2.6
    • 2.2.7
    • 2.2.8
    • 2.2.9
    Intervalos de versiones afectados
    • ECOSYSTEM: ≥ 1.0.0, < 2.2.27

    Actualiza a 2.2.27

  • composer Ubuntu:Pro:16.04:LTS

    Versiones
    • 1.0.0~alpha10+20150602-1
    • 1.0.0~alpha10+20150602-2
    • 1.0.0~alpha11-1
    • 1.0.0~alpha11-1ubuntu1
    • 1.0.0~alpha11-2
    • 1.0.0~alpha11-3
    • 1.0.0~beta1-1ubuntu1
    • 1.0.0~beta2-1
    • 1.0.0~beta2-1ubuntu0.1~esm1
    • 1.0.0~beta2-1ubuntu0.1~esm2
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:Pro:18.04:LTS

    Versiones
    • 1.5.1-1
    • 1.5.2-1
    • 1.6.2-1
    • 1.6.3-1
    • 1.6.3-1ubuntu0.1~esm1
    • 1.6.3-1ubuntu0.1~esm2
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:Pro:20.04:LTS

    Versiones
    • 1.9.0-2
    • 1.9.1-1
    • 1.9.2-1
    • 1.9.3-1
    • 1.10.0-1
    • 1.10.1-1
    • 1.10.1-1ubuntu0.1~esm1
    • 1.10.1-1ubuntu0.1~esm2
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:Pro:22.04:LTS

    Versiones
    • 2.0.9-2ubuntu2
    • 2.0.9-2ubuntu3
    • 2.0.13-1ubuntu1
    • 2.1.12-1ubuntu1
    • 2.2.6-2ubuntu4
    • 2.2.6-2ubuntu4+esm1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:Pro:24.04:LTS

    Versiones
    • 2.5.8-1
    • 2.6.5-1
    • 2.6.6-1
    • 2.7.1-2
    • 2.7.1-2ubuntu0.1~esm1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:25.10

    Versiones
    • 2.8.6-1
    • 2.8.8-1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:26.10

    Versiones
    • 2.9.5-1
    • 2.10.1-2
    • 2.10.2-1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

  • composer Ubuntu:26.04:LTS

    Versiones
    • 2.8.8-1
    • 2.9.5-1
    Intervalos de versiones afectados
    • ECOSYSTEM: (−∞, +∞)

    Sin corrección publicada

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