{"id":"CVE-2026-61455","title":"Grav before 2.0.1 contains a decompression bomb vulnerability in ZipArchiver::extract() that lacks limits on uncompressed size, file count, and nesting depth","summary":"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…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-409"],"vendor":"getgrav","product":"grav","affected":["grav < 2.0.1"],"published":"2026-07-10","updated":"2026-10-08","sourceUpdated":"2026-10-08T16:17:25.363","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-61455","references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/grav-before-decompression-bomb-via-ziparchiver","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-10T14:49:21.784927Z"},"epss":0.00436,"epssPercentile":0.35801,"ingestedAt":"2026-10-08T16:52:14.698Z","slug":"CVE-2026-61455","body":"## Overview\n\nGrav 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}