Security writeups and research by Paul Koeck.https://paul.koeck.dev/https://paul.koeck.dev/writeups/discord-read-receipts/https://paul.koeck.dev/writeups/discord-read-receipts/Discord does not have read receipts by design. However, a bug in the OG image proxy reveals not only when a message was viewed, but also how often and for how long.Sat, 18 Apr 2026 00:00:00 GMTprivacyopen-graphcache-bypasstrackingdiscordhttpside-channel