CVE-2026-59193 Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()

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, ...

CVE-2026-59193

Grav CMS is a file-based web platform. Before version 2.0.0, an authenticated admin.super user could trigger a denial of service by uploading a specially crafted ZIP via the Direct Install tool, because Installer::unZip uses ZipArchive::extractTo without limits on uncompressed size, entry count, ...

CVE-2026-59193: Improper Handling of Highly Compressed Data (Data Amplification)

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, ...

Grav 代码注入漏洞

Grav is a scalable content management system CMS developed by the Grav open-source community, suitable for use in personal blogs, small content publishing platforms, and single-page product displays. Versions of Grav prior to 2.0.0-beta.2 contained a code injection vulnerability. This vulnerabili...

Grav CMS 安全漏洞

Grav CMS is Grav open source a flat file-based content management system . Grav CMS suffers from a remote code execution vulnerability that originates from allowing authenticated administrators to upload malicious plugins via the admin/tools/direct-install interface, which can be exploited by an...

CVE-2025-50286

A Remote Code Execution RCE vulnerability in Grav CMS v1.7.48 allows an authenticated admin to upload a malicious plugin via the /admin/tools/direct-install interface. Once uploaded, the plugin is automatically extracted and loaded, allowing arbitrary PHP code execution and reverse shell access...