CVE-2026-85619
AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
AppFlowy-Cloud 0.9.64 fails to verify that requested collab objects belong to the workspace in authorization checks, allowing attackers to access documents and database rows across workspaces. Attackers can supply a victim's object ID with their own workspace ID to bypass access controls and read, modify, or delete cross-workspace data.
| CWE | CWE-863 |
| Vendor | appflowy-io |
| Product | appflowy-cloud |
| Published | Sep 4, 2026 |
| Last Updated | Sep 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
AppFlowy-IO / AppFlowy-Cloud
0 ≤ 0.9.64
References
github.com: https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624 github.com: https://github.com/AppFlowy-IO/AppFlowy-Cloud github.com: https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/libs/access-control/src/casbin/collab.rs vulncheck.com: https://www.vulncheck.com/advisories/appflowy-cloud-0.9.64-cross-workspace-collab-access-via-http-api
Credits
George Chen