CVE-2026-61455
MEDIUMGrav before 2.0.1 Decompression Bomb via ZipArchiver
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-928x-9mpw-8h56)
https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56
Third Party Advisory third-party-advisory
VulnCheck Advisory: Grav before 2.0.1 Decompression Bomb via ZipArchiver
https://www.vulncheck.com/advisories/grav-before-decompression-bomb-via-ziparchiver
Scores
CVSS v3
6.5
EPSS
0.0025
EPSS Percentile
16.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-409
Status
published
Products (2)
getgrav/grav
< 2.0.1
getgrav/grav
2.0.1
Published
Jul 10, 2026
Tracked Since
Jul 10, 2026