{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-61690","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-10T18:36:58.850Z","datePublished":"2026-08-19T15:20:10.966Z","dateUpdated":"2026-08-25T02:07:51.415Z"},"containers":{"cna":{"title":"Grav: Decompression Bomb via ZipArchiver - Missing Extraction Limits","problemTypes":[{"descriptions":[{"cweId":"CWE-409","lang":"en","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56"},{"name":"https://github.com/getgrav/grav/commit/1c1003cfcab5344203d6fde1aaa1f9a4ee3413ff","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/1c1003cfcab5344203d6fde1aaa1f9a4ee3413ff"},{"name":"https://github.com/getgrav/grav/releases/tag/2.0.1","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/releases/tag/2.0.1"}],"affected":[{"vendor":"getgrav","product":"grav","versions":[{"version":"< 2.0.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-19T15:20:10.966Z"},"descriptions":[{"lang":"en","value":"Grav is a file-based Web platform. Prior to 2.0.1, Grav ZipArchiver::extract() in system/src/Grav/Common/Filesystem/ZipArchiver.php passes archives to ZipArchive::extractTo() without enforcing the system.gpm.archive uncompressed-size, file-count, or nesting-depth limits. Code using Archiver::create('zip') to extract an attacker-controlled archive can exhaust disk space or inodes and make the site unavailable. This issue is fixed in version 2.0.1."}],"source":{"advisory":"GHSA-928x-9mpw-8h56","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-928x-9mpw-8h56","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T02:07:28.956498Z","id":"CVE-2026-61690","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"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":"2026-08-25T02:07:51.415Z"}}]}}