{"action":"Upgrade getgrav/grav to 1.7.53 or later.","affected":[{"fixed":"2.0.0-rc.8","introduced":"2.0.0-beta.1"},{"fixed":"1.7.53","introduced":"0"}],"component":"getgrav/grav","cve_ids":["CVE-2026-53653"],"ecosystem":"Packagist","epss":0.00524,"exploited":false,"fixed_versions":["2.0.0-rc.8","1.7.53"],"ghsa_id":"GHSA-4x9g-vw65-vvf9","id":"tcs_01M5KEVE8X7NMMZX9FPBMAQBR3","modified_at":"2026-08-14T19:30:08.179015553Z","published_at":"2026-08-14T19:23:38Z","references":["https://osv.dev/vulnerability/GHSA-4x9g-vw65-vvf9","https://github.com/getgrav/grav/security/advisories/GHSA-4x9g-vw65-vvf9","https://nvd.nist.gov/vuln/detail/CVE-2026-53653","https://github.com/getgrav/grav/commit/d9f9f0369a07ae5c96cde700c7949e1237b29cf6","https://github.com/getgrav/grav/commit/f4c0f42eea755cedad6f626b342c88d4cba72174","https://github.com/getgrav/grav","https://github.com/getgrav/grav/releases/tag/1.7.53","https://github.com/getgrav/grav/releases/tag/2.0.0-rc.8"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-4x9g-vw65-vvf9","url":"https://osv.dev/vulnerability/GHSA-4x9g-vw65-vvf9"}],"summary":"Grav: Unauthenticated denial of service via unbounded image derivative dimensions"}