Discord's AI moderation system wrongly banned over 8,000 users since May 2026 for posting harmless images such as grids, chessboards, spreadsheets, game textures, and Minecraft inventory screens across its platform in the US and beyond [1, 2, 3]. Approximately 200 more accounts were mistakenly banned during the weekend before the issue was identified and fixed [1, 2, 3].

The bans stemmed from the AI system flagging “grid-like” images that resembled known harmful material, particularly child sexual abuse material, leading to automatic account bans instead of the usual temporary upload blocks [1, 2, 3]. Normally, flagged content is reviewed by Discord’s human Trust & Safety team before any bans are enforced. However, a bug caused accounts to be banned immediately without this review and also prevented those bans from being automatically lifted afterward [1, 2, 3].

Discord Support explained on social media that “our systems flag content by matching it against known harmful material. This kind of similarity matching can produce false positives, which is why a member of our Trust & Safety team always reviews flagged content before any action is taken.” They added, “The intended behavior is to temporarily pause uploads during that review, not ban the account. We had a bug that caused the latter. When our staff reviewed and cleared those accounts, the same bug prevented the ban from being lifted automatically, so it just stayed in place.” [2, 3]

The bug began causing erroneous bans in May 2026 and continued until early July, when Discord publicly acknowledged the problem and apologized on July 7. Discord CTO Stanislav Vishnevskiy stated, “Everyone affected has now been unbanned.” All impacted accounts have since been or are in the process of being restored [1, 2, 3].

Users expressed frustration and concern on social media over the lasting effects of wrongful permanent bans based on automated detection. One user tweeted, “Losing a Discord account to something as unfair as this can be extremely devastating and affect users severely, and every day millions of users are affected by false AI bans. This needs to be stopped.” [2]

Discord said it is working on improved safeguards to prevent similar errors in the future [2, 3]. The platform continues restoring affected accounts following the public disclosure of the bug on July 7, 2026.