CVE-2026-61455

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductGetgrav/grav

PublishedJul 10, 2026

First seenJul 10, 2026

Weakness typeCWE-409CWE-409

How to fix

Update

getgrav/grav2.0.1 or later

Vendor advisories

github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56

Affected products

Product	Affected versions	Fixed in
getgrav/gravPackagist	v < 2.0.1	2.0.1

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