CVE-2026-43977 wger IDOR: Authenticated Users Can Read Others' Private Workout Session Data via Template Routine API

wger is a free, open-source workout and fitness manager. In versions prior to 2.6, any authenticated user can read another user's private workout session notes, exercise history, and training statistics by calling the /logs/ and /stats/ actions on a routine they do not own. The vulnerability exis...

CVE-2026-43977

Summary (CVE-2026-43977) : In wger, versions prior to 2.6 expose an IDOR: any authenticated user can read another user’s private workout data via /logs/ and /stats/ on a routine, because RoutinePermission incorrectly treats is_template=True as readable and RoutineViewSet actions return the owner’...