CVE-2026-61455

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 v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

10 Jul 2026, 16:16

Type	Values Removed	Values Added
References	~~() https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56 -~~	() https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56 -

10 Jul 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-10 15:16

Updated : 2026-07-10 17:41

NVD link : CVE-2026-61455

Mitre link : CVE-2026-61455

CVE.ORG link : CVE-2026-61455

JSON object : View

Products Affected

No product.

CWE

CWE-409

Improper Handling of Highly Compressed Data (Data Amplification)

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