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Permalink CVE-2026-72918
5.4 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): Low (L)
  • Integrity (I): Low (L)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): None (N)
created 3 weeks, 6 days ago Activity log
  • Created & dismissed (no matching packages found) suggestion 3 weeks, 6 days ago
Rocket.Chat: Insecure implementation of websocket notifications

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

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