CVE-2026-69089 Grav CMS before 2.0.11 Path Traversal via watermark

Grav CMS 2.0.10 contains a path traversal vulnerability in ImageMedium::watermark, which passes its unsanitized $image argument to RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator::findResource. Because the file:// scheme branch only lexically collapses '..' segments without a...