CVE-2026-27838 wger: IDOR via user-unscoped cache keys on routine API actions exposes workout data

wger is a free, open-source workout and fitness manager. Five routine detail action endpoints check a cache before calling self.getobject. In versions up to and including 2.4, ache keys are scoped only by pk — no user ID is included. When a victim has previously accessed their routine via the API...