CVE-2026-85619
AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API
- State
- Published
- Severity
- 7.7 High
- Published
- Sep 4, 2026
- Updated
- Sep 4, 2026
- Reserved
- Sep 4, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.7 High | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
AppFlowy-CloudAppFlowy-IO |
|
References
- GitHub Issue #1624issue-tracking
- https://github.com/AppFlowy-IO/AppFlowy-Cloudproduct
- https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/libs/access-control/src/casbin/collab.rstechnical-description
- VulnCheck Advisory: AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP APIthird-party-advisory
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