EUVD-2026-57633

The type=track branch authorises on ismycasetattach.case only and never checks VinceTrackAttachment.shared. A coordinator-uploaded case artefact that has NOT been marked shared is still retrievable by any case member who has or is sent its uuid — leaks not-yet-released coordinator material to...

CVE-2026-18749 CVE-2026-18749

The type=track branch authorises on ismycasetattach.case only and never checks VinceTrackAttachment.shared. A coordinator-uploaded case artefact that has NOT been marked shared is still retrievable by any case member who has or is sent its uuid — leaks not-yet-released coordinator material to...

CVE-2026-18749

The CVE-2026-18749 issue is a logic flaw in the track branch: authorization is performed via is_my_case(t_attach.case) and does not verify VinceTrackAttachment.shared. As a result, a coordinator-uploaded case artefact that has not been marked as shared remains retrievable by any case member who p...