Vulnerability in Getgrav Grav
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::ex…
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Getgrav Grav — versions >= 1.0.0, < 2.0.0, 2.0.0
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-59193?
- CVE-2026-59193 is a medium-severity vulnerability in Getgrav Grav, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 4.9/10. Published 2026-07-10.
- How severe is CVE-2026-59193?
- Medium severity. CVSS v3 base score is 4.9 out of 10.