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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-59193

Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

getgrav grav

  • >= 1.0.0, < 2.0.0affected

References