Vulnerabilities CVE-2026-61690

CVE-2026-61690

Medium

Open

TLP:CLEAR

Grav: Decompression Bomb via ZipArchiver - Missing Extraction Limits

NVD CVE.org

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Description

Grav is a file-based Web platform. Prior to 2.0.1, Grav ZipArchiver::extract() in system/src/Grav/Common/Filesystem/ZipArchiver.php passes archives to ZipArchive::extractTo() without enforcing the system.gpm.archive uncompressed-size, file-count, or nesting-depth limits. Code using Archiver::create('zip') to extract an attacker-controlled archive can exhaust disk space or inodes and make the site unavailable. This issue is fixed in version 2.0.1.

Details

CVSS Score: 6.5
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Aug 19, 2026
Last Modified: Aug 19, 2026

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