{"id":"CVE-2026-59193","aliases":["GHSA-2vcx-h8p2-9pg9"],"url":"https://o3.security/vulnerability/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.","published":"2026-07-10T16:35:48.124Z","modified":"2026-08-12T03:51:33.681059915Z","cvss":null,"epss":{"score":0.0039,"percentile":0.31784,"asOf":"2026-07-31"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"getgrav/grav","fixedVersion":"2.0.0"}],"fix":{"url":"https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781","label":"getgrav/grav@23d6f2a"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:33.681059915Z"}}