{"id":"CVE-2026-59193","summary":"Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()","details":"Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool because Installer::unZip calls ZipArchive::extractTo without limits on uncompressed size, entry count, or directory depth. This issue is fixed in version 2.0.0.","aliases":["GHSA-2vcx-h8p2-9pg9"],"modified":"2026-08-12T03:51:33.681059915Z","published":"2026-07-10T16:35:48.124Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-409"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59193.json"},"references":[{"type":"WEB","url":"https://github.com/getgrav/grav/releases/tag/2.0.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59193.json"},{"type":"ADVISORY","url":"https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59193"},{"type":"FIX","url":"https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/getgrav/grav","events":[{"introduced":"e4e0c06ea8a36c1a700aaac2545d7024f2cbe14c"},{"fixed":"bb4022f44b882ca4615188f4da5a0d646cef02ce"},{"fixed":"23d6f2adf4ce11889c088ac8557c8314baeef781"}],"database_specific":{"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.0.0"},{"fixed":"2.0.0"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59193.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}