CVE-2026-61455 HIGH

CVE-2026-61455: Grav before 2.0.1 Decompression Bomb via ZipArchiver

Vendor Getgrav
Product grav
Weakness CWE-409
Published July 10, 2026
Last update July 10, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 10, 2026 CVE published
July 10, 2026 Record updated