CVE-2026-35490 changedetection.io has an Authentication Bypass via Decorator Ordering

changedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @loginoptionallyrequired decorator is placed before outer to @blueprint.route instead of after it. In Flask, @route must be the outermost decorator because it registers the function it receives. When the...

Improper File URI Scheme Validation

changedetection.io is vulnerable to improper file URI scheme validation. The vulnerability is due to a logic flaw in the issafeurl function, which improperly allows the file: scheme and insufficiently restricts access to local file paths when ALLOWFILEURI is set to false or undefined...