{"id":"CVE-2026-109324","published":"2026-10-12T17:17:27.690","lastModified":"2026-10-13T17:17:25.623","description":"Grav before 2.1.7 contains a denial of service vulnerability that allows authenticated media authors to exhaust memory by uploading compressed oversized raster images. Attackers can reference a Twig or Markdown transform so GD or Imagick decodes the full source without dimension checks, letting anonymous requests repeatedly cause page unavailability.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-409"],"vendors":[],"products":[],"references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-h253-r5hw-95r5","tags":[]},{"url":"https://www.vulncheck.com/advisories/grav-before-2.1.7-memory-exhaustion-via-oversized-image-transforms","tags":[]}],"exploitRefs":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-h253-r5hw-95r5","tags":[]}],"hasPoc":true,"ai":null}