CVE-2026-61455

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 Vector

References

• https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56
• https://www.vulncheck.com/advisories/grav-before-decompression-bomb-via-ziparchiver
• https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56