{"id":"CVE-2026-53653","title":"Grav is a file-based Web platform","summary":"Grav is a file-based Web platform. Prior to 1.7.53 and 2.0.0-rc.8, Grav allows an unauthenticated visitor to exhaust server memory and CPU by requesting image derivatives with oversized dimensions through URL query image actions such as …","severity":"none","cwe":["CWE-770"],"published":"2026-07-10","updated":"2026-07-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53653","references":[{"url":"https://github.com/getgrav/grav/commit/d9f9f0369a07ae5c96cde700c7949e1237b29cf6","label":"security-advisories@github.com"},{"url":"https://github.com/getgrav/grav/commit/f4c0f42eea755cedad6f626b342c88d4cba72174","label":"security-advisories@github.com"},{"url":"https://github.com/getgrav/grav/releases/tag/1.7.53","label":"security-advisories@github.com"},{"url":"https://github.com/getgrav/grav/releases/tag/2.0.0-rc.8","label":"security-advisories@github.com"},{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-4x9g-vw65-vvf9","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00524,"epssPercentile":0.43405,"ingestedAt":"2026-07-11T20:15:26.065Z","slug":"CVE-2026-53653","body":"## Overview\n\nGrav is a file-based Web platform. Prior to 1.7.53 and 2.0.0-rc.8, Grav allows an unauthenticated visitor to exhaust server memory and CPU by requesting image derivatives with oversized dimensions through URL query image actions such as forceResize in Grav::fallbackUrl, which passes request parameters to ImageMedium magic actions without a dimension or pixel ceiling. This issue is fixed in versions 1.7.53 and 2.0.0-rc.8.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}