Composer is vulnerable to ANSI sequence injection
Impact
Attackers controlling remote sources that Composer downloads from might in some way inject ANSI control characters in the terminal output of various Composer commands, causing mangled output and potentially leading to confusion or DoS of the terminal application.
There is no proven exploit and this has thus a low severity but Composer still published a CVE as it has potential for abuse, and Composer wants to be on the safe side informing users that they should upgrade.
Patches
2.2.26 for 2.2 LTS or 2.9.3 for mainline.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de Composer | composer/composer | >= 2.0.0, < 2.2.26, >= 2.3.0, < 2.9.3 | 2.2.26, 2.9.3 |
Referencias
- https://github.com/composer/composer/security/advisories/GHSA-59pp-r3rg-353g
- https://nvd.nist.gov/vuln/detail/CVE-2025-67746
- https://github.com/composer/composer/commit/1d40a95c9d39a6b7f80d404ab30336c586da9917
- https://github.com/composer/composer/commit/5db1876a76fdef76d3c4f8a27995c434c7a43e71
- https://github.com/composer/composer
- https://github.com/composer/composer/releases/tag/2.2.26
- https://github.com/composer/composer/releases/tag/2.9.3
- Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U- Debilidad (CWE)
CWE-74- Plataforma
- Composer
- Paquete
composer/composer- Publicada
- 30.12.2025
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-59pp-r3rg-353g - 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.
- 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
- 2021: 2
- 2022: 1
- 2023: 2
- 2024: 3
- 2025: 1
- 2026: 8
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Composer is vulnerable to ANSI sequence injection esta entrada
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