CVE-2026-85619: Incorrect Authorization in AppFlowy-IO AppFlowy-Cloud
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.
CVSS v4.0
Score 7.7high
Affected software
AppFlowy-IO
AppFlowy-Cloud
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-85619 is an incorrect authorization vulnerability in AppFlowy-Cloud 0.9.64. The application fails to properly verify that collaborative objects requested by a user belong to their workspace during authorization checks. This flaw permits attackers with limited privileges to supply a victim's object ID combined with their own workspace ID, thereby bypassing access controls and gaining unauthorized read, modify, or delete capabilities on documents and database rows across workspaces.
Potential Impact
Successful exploitation allows an attacker with low privileges to access, modify, or delete data belonging to other workspaces, violating data confidentiality and integrity across the multi-tenant environment. This can lead to unauthorized data exposure and potential data loss or corruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time. Users should monitor vendor communications for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-04T11:03:33.315Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9adb41acd9273b49bef504
Added to database: 09/04/2026, 14:52:49 UTC
Last enriched: 09/07/2026, 12:02:25 UTC
Last updated: 10/19/2026, 06:48:20 UTC
Views: 74
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