CVE-2026-50139 goshs: Share-link ?token=… redemption races past download limit

goshs is a SimpleHTTPServer written in Go. Prior to version 2.1.0, ShareHandler reads the share token's DownloadLimit under RLock, releases the lock, serves the file, then re-acquires the lock to increment the counter. Concurrent requests all read the same Downloaded/DownloadLimit snapshot, all...