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.
Severity (CVSS)
| Base score | 6.9 |
|---|---|
| Severity | Medium |
| Version | CVSS 4.0 |
| Vector | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| Provided by | CNA |
Weaknesses
- CWE-409 — CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
Affected products
| Vendor | Product | Versions |
|---|---|---|
| getgrav | grav | >= 1.0.0, < 2.0.0 |
References
- https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9 (x_refsource_CONFIRM)
- https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781 (x_refsource_MISC)
- https://github.com/getgrav/grav/releases/tag/2.0.0 (x_refsource_MISC)
Generated from the official CVE List on 11 Jul 2026 07:02 UTC.