Discord says safety bug wrongly banned more than 8,000 accounts
Discord said a moderation-system glitch punished users for harmless images, including grid-like pictures, before the company restored affected accounts.
By Maya Lindqvist · Senior Technology Correspondent
2 min read
Discord said a flaw in its safety system wrongly banned more than 8,000 accounts, affecting users whose uploads included harmless images. The episode matters because it shows how automated moderation tools can misfire even when human review later clears the content.
The company addressed the problem in a statement on X after users reported bans tied to images with grid patterns. Posts on Reddit and X described accounts being removed after uploads such as chessboards, game textures and Minecraft inventory screens.
Stanislav Vishnevskiy, Discord’s co-founder and chief technology officer, said on X that the bug affected about 200 users who uploaded “grid-like” images. He said roughly 8,000 more users were hit after posting other harmless images since May 2026.
Vishnevskiy said Discord has now restored access for everyone affected. Discord’s support account also said the bans remained in place because the same bug that triggered them stopped cleared accounts from being restored automatically.
How Discord described the failure
Discord said its safety system checks uploads by comparing them with known harmful material. According to the company, that process can sometimes flag content incorrectly, creating false positives that are supposed to receive staff review.
Under Discord’s intended process, the company said an account should be temporarily blocked from uploading while employees review the flagged material. In this case, Discord said the bug caused the system to ban accounts outright instead of applying that narrower upload restriction.
The review step also failed to fix the problem, according to Discord. The company said that after staff reviewed and cleared the accounts, the bug prevented the bans from being lifted without further intervention.
User complaints helped draw attention to the issue. One Reddit user said they were banned after uploading an image of a chessboard, while other posts cited by The Verge pointed to bans after game-related images with grid-like layouts.
Discord did not describe the harmful-material category involved or say whether it has changed the underlying detection system. The company’s public explanation was limited to the bug, the number of accounts affected and its statement that the banned users have been unbanned.
This story draws on original reporting from The Verge.