CVE-2026-24056
pnpm is a package manager. Prior to version 10.28.2, when pnpm installs a `file:` (directory) or `git:` dependency, it follows symlinks and reads their target contents without constraining them to the package root. A malicious package containing a symlink to an absolute path (e.g., `/etc/passwd`, `~/.ssh/id_rsa`) causes pnpm to copy that file's contents into `node_modules`, leaking local data. The vulnerability only affects `file:` and `git:` dependencies. Registry packages (npm) have symlinks stripped during publish and are NOT affected.
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The issue impacts developers installing local/file dependencies andCI/CD pipelines installing git dependencies. It can lead to credential theft via symlinks to `~/.aws/credentials`, `~/.npmrc`, `~/.ssh/id_rsa`. Version 10.28.2 contains a patch.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 6.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.53%
- Percentil entre todas las CVEs puntuadas: 43
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-22, CWE-59
- CWE-59
Referencias
JSON original (NVD)
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},
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"value": "pnpm es un gestor de paquetes. Antes de la versión 10.28.2, cuando pnpm instala una dependencia 'file:' (directorio) o 'git:', sigue los enlaces simbólicos y lee el contenido de sus destinos sin restringirlos a la raíz del paquete. Un paquete malicioso que contiene un enlace simbólico a una ruta absoluta (por ejemplo, '/etc /passwd', '~/.ssh/id_rsa') hace que pnpm copie el contenido de ese archivo en 'node_modules', filtrando datos locales. La vulnerabilidad solo afecta a las dependencias 'file:' y 'git:'. Los paquetes de registro (npm) tienen los enlaces simbólicos eliminados durante la publicación y NO se ven afectados. El problema afecta a los desarrolladores que instalan dependencias locales/de archivo y a las tuberías de CI/CD que instalan dependencias de git. Puede conducir al robo de credenciales a través de enlaces simbólicos a '~/.aws/credentials', '~/.npmrc', '~/.ssh/id_rsa'. La versión 10.28.2 contiene un parche."
}
],
"lastModified": "2026-06-17T10:22:32.080",
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