CVE-2026-59193
MEDIUM
6.9
CVSS 4.0
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.
Metadata
Severity & Metrics
6.9
MEDIUM CVSS 4.0
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
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| getgrav | grav | — | >= 1.0.0, < 2.0.0 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-409 | cna | CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.9 | MEDIUM | 4.0 | cna | 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 |
References (3)
- https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9 https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9
- https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781 https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781
- https://github.com/getgrav/grav/releases/tag/2.0.0 https://github.com/getgrav/grav/releases/tag/2.0.0