CVE-2026-72583 fastschema - Stored Cross-Site Scripting via MIME Type Bypass in File Upload

A stored cross-site scripting XSS vulnerability in fastschema through v0.15.1 allows a low-privileged authenticated user to upload an SVG file containing malicious JavaScript by bypassing the MIME type allow-list check. The pkg/rclonefs/base.go PutMultipart function validates the Content-Type...