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, ...

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 — 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, ...

PT-2026-57241

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.0 Description An authenticated user with admin.super privileges can cause a system crash or exhaust disk space by uploading a specially crafted ZIP archive via the Direct Install tool. This occurs because the...