Grav before 2.0.1 Decompression Bomb via ZipArchiver
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-61690US | — | — | ||
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() witho… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61455.jsonADVISORY
- https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-61455ADVISORY
- https://www.vulncheck.com/advisories/grav-before-decompression-bomb-via-ziparchiverADVISORY
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan