CVE-2025-61602

BigBlueButton is an open-source virtual classroom. A denial-of-service DoS vulnerability in versions prior to 3.0.13 allows any authenticated user to crash the chat functionality for all participants in a meeting by sending a malformed "reactionEmojiId" in the GraphQL mutation...

CVE-2025-61602 BigBlueButton vulnerable to Chat DoS via invalid reactionEmojiId

BigBlueButton is an open-source virtual classroom. A denial-of-service DoS vulnerability in versions prior to 3.0.13 allows any authenticated user to crash the chat functionality for all participants in a meeting by sending a malformed reactionEmojiId in the GraphQL mutation...

CVE-2025-61602: Improper Check or Handling of Exceptional Conditions

BigBlueButton is an open-source virtual classroom. A denial-of-service DoS vulnerability in versions prior to 3.0.13 allows any authenticated user to crash the chat functionality for all participants in a meeting by sending a malformed reactionEmojiId in the GraphQL mutation...