EUVD-2026-42943

Grav: Unauthenticated denial of service via unbounded image derivative dimensions...

Grav: Unauthenticated denial of service via unbounded image derivative dimensions

Summary An unauthenticated visitor exhausts server memory and CPU by requesting an image with oversized resize dimensions. One request drives a worker to several gigabytes of RAM and tens of seconds of CPU. A few concurrent requests take the host down. Details Grav::fallbackUrl...

CVE-2026-53653

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...

CVE-2026-53653

Grav (file-based web platform) contains CVE-2026-53653: unauthenticated denial of service by requesting image derivatives with oversized dimensions via URL actions like forceResize in Grav::fallbackUrl. The root cause is that request parameters are passed to ImageMedium magic actions without a di...

CVE-2026-53653 Grav: Unauthenticated denial of service via unbounded image derivative dimensions

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...

PT-2026-57217

Name of the Vulnerable Software and Affected Versions Grav versions prior to 1.7.53 Grav versions prior to 2.0.0-rc.8 Description An unauthenticated visitor can cause server memory and CPU exhaustion by requesting image derivatives with oversized dimensions. This occurs through URL query image...