{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59193","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-02T19:53:48.831Z","datePublished":"2026-07-10T16:35:48.124Z","dateUpdated":"2026-07-10T19:04:53.166Z"},"containers":{"cna":{"title":"Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()","problemTypes":[{"descriptions":[{"cweId":"CWE-409","lang":"en","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"references":[{"name":"https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9"},{"name":"https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/23d6f2adf4ce11889c088ac8557c8314baeef781"},{"name":"https://github.com/getgrav/grav/releases/tag/2.0.0","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/releases/tag/2.0.0"}],"affected":[{"vendor":"getgrav","product":"grav","versions":[{"version":">= 1.0.0, < 2.0.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-10T16:35:48.124Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-2vcx-h8p2-9pg9","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-2vcx-h8p2-9pg9","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-10T19:04:43.281679Z","id":"CVE-2026-59193","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-10T19:04:53.166Z"}}]}}