CVE-2026-61455: Improper Handling of Highly Compressed Data (Data Amplification) in getgrav grav
Grav before 2.0.1 contains a decompression bomb vulnerability in ZipArchiver::extract() that lacks limits on uncompressed size, file count, and nesting depth. Attackers can supply a crafted ZIP archive that expands to fill available disk space, causing denial of service by exhausting storage resources.
CVE-2026-61455: Improper Handling of Highly Compressed Data (Data Amplification) in getgrav grav
Description
Grav before 2.0.1 contains a decompression bomb vulnerability in ZipArchiver::extract() that lacks limits on uncompressed size, file count, and nesting depth. Attackers can supply a crafted ZIP archive that expands to fill available disk space, causing denial of service by exhausting storage resources.
CVSS v4.0
Score 7.1high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-07-09T14:06:14.017Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a51062d68715ace43b84ada
Added to database: 07/10/2026, 14:48:13 UTC
Last updated: 07/10/2026, 14:48:13 UTC
Views: 1
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