CVE-2026-85619
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductAppFlowy-Cloud
PublishedSep 4, 2026
First seenSep 4, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| AppFlowy-IO AppFlowy-Cloud | v ≤ 0.9.64 | — |
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