CVE-2026-85622: Incorrect Authorization in AppFlowy-IO AppFlowy-Cloud
AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establish_ws_connection_v2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object identifiers to read full document or database state from collaborations in other workspaces without victim involvement.
CVE-2026-85622: Incorrect Authorization in AppFlowy-IO AppFlowy-Cloud
Description
AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establish_ws_connection_v2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object identifiers to read full document or database state from collaborations in other workspaces without victim involvement.
CVSS v4.0
Score 6.0medium
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-04T11:03:33.315Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9adb41acd9273b49bef508
Added to database: 09/04/2026, 14:52:49 UTC
Last updated: 09/04/2026, 23:28:32 UTC
Views: 8
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