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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-72918

Rocket.Chat: Insecure implementation of websocket notifications

Description

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1, the stream-notify-user stream in the WebSocket protocol allows an authenticated user to write arbitrary notification bodies because the sender is not checked, and the client-side UI can create an ephemeral fake message in another user's currently open chat. This issue is fixed in versions 7.10.14, 8.0.8, 8.1.7, 8.2.7, 8.3.7, 8.4.5, 8.5.2, and 8.6.1.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

RocketChat Rocket.Chat

  • < 7.10.14affected
  • >= 8.0.0, < 8.0.8affected
  • >= 8.1.0, < 8.1.7affected
  • >= 8.2.0, < 8.2.7affected
  • >= 8.3.0, < 8.3.7affected
  • >= 8.4.0, < 8.4.5affected
  • >= 8.5.0, < 8.5.2affected
  • >= 8.6.0, < 8.6.1affected

References