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, or directory depth. This issue is fixed in version 2.0.0.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781	Patch
https://github.com/getgrav/grav/releases/tag/2.0.0	Product
https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9	Exploit Vendor Advisory
https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:getgrav:grav::::::::
	cpe:2.3:a:getgrav:grav:2.0.0:beta1::::::

History

10 Jul 2026, 20:16

Type	Values Removed	Values Added
References	~~() https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781 -~~	() https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781 - Patch
References	~~() https://github.com/getgrav/grav/releases/tag/2.0.0 -~~	() https://github.com/getgrav/grav/releases/tag/2.0.0 - Product
References	~~() https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9 -~~	() https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9 - Exploit, Vendor Advisory
First Time		Getgrav Getgrav grav
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.9
CPE		cpe:2.3:a:getgrav:grav:::::::: cpe:2.3:a:getgrav:grav:2.0.0:beta1::::::

10 Jul 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-10 17:17

Updated : 2026-07-10 20:16

NVD link : CVE-2026-59193

Mitre link : CVE-2026-59193

CVE.ORG link : CVE-2026-59193

JSON object : View

Products Affected

getgrav

grav

CWE

CWE-409

Improper Handling of Highly Compressed Data (Data Amplification)

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