Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/AppFlowy-IO/AppFlowy-Cloud
- https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/src/api/ws.rs
- https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1629
- https://www.vulncheck.com/advisories/appflowy-cloud-through-0.9.64-cross-workspa
FAQ
What is CVE-2026-85622?
CVE-2026-85622 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2026-85622?
CVE-2026-85622 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-85622?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.