HIGH 7.1 NVD
CVE-2026-109324
Grav before 2.1.7 contains a denial of service vulnerability that allows authenticated media authors to exhaust memory by uploading compressed oversized raster
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.
References
- https://github.com/getgrav/grav/security/advisories/GHSA-h253-r5hw-95r5
- https://www.vulncheck.com/advisories/grav-before-2.1.7-memory-exhaustion-via-oversized-ima
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-10-12 via NVD.
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