CVE-2026-13601

CVE-2026-13601 involves Yelp’s yelp-xsl CSP implementation. A malicious Flatpak can exploit an overly permissive CSP in Yelp by loading crafted help content via OpenURI, embedding an untrusted CSS stylesheet inside a structured SVG. This enables attacker-controlled content to bypass the Flatpak s...

Mozilla: Leaking browser history with CSS variables

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of Firefox behaving slightly differently for already known resources when loading CSS resources involving CSS variables. This flaw could probe the browser history...