CVE-2026-59193

Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool because Installer::unZip calls ZipArchive::extractTo without limits on uncompressed size, entry count, or directory depth. This issue is fixed in version 2.0.0.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781	Patch
https://github.com/getgrav/grav/releases/tag/2.0.0	Product
https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9	Exploit Vendor Advisory
https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:getgrav:grav::::::::
	cpe:2.3:a:getgrav:grav:2.0.0:beta1::::::

History

25 Oct 2026, 15:10

Type	Values Removed	Values Added
Summary		(es) Grav es una plataforma web basada en archivos. Antes de la versión 2.0.0, un usuario admin.super autenticado puede provocar la caída de Grav o llenar el disco al subir un archivo ZIP especialmente diseñado a través de la herramienta de instalación directa porque Installer::unZip llama a ZipArchive::extractTo sin límites en el tamaño descomprimido, el número de entradas o la profundidad del directorio. Este problema está solucionado en la versión 2.0.0.

Information

Published : 2026-07-10 17:17

Updated : 2026-10-25 15:10

NVD link : CVE-2026-59193

Mitre link : CVE-2026-59193

CVE.ORG link : CVE-2026-59193

JSON object : View

Products Affected

getgrav

grav

CWE

CWE-409

Improper Handling of Highly Compressed Data (Data Amplification)

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