Security Advisory

CVE-2026-53653

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-10 16:12:01

Last updated 2026-07-10 20:58:50

Assigner GitHub_M

CVSS score 8.7

State PUBLISHED

Description

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 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.

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