CVE-2026-88898
AppFlowy-Cloud 0.7.2 through 0.9.64 Missing Workspace Authorization on Bulk Publish Endpoint
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
AppFlowy-Cloud versions 0.7.2 through 0.9.64 fail to authorize callers against the workspace in the bulk publish endpoint path, allowing authenticated users to publish content into other tenants' namespaces. Attackers can write published views with attacker-controlled title, body and metadata into victim workspaces to deface public pages or host phishing content on trusted URLs.
| CWE | CWE-862 |
| Vendor | appflowy-io |
| Product | appflowy-cloud |
| Published | Sep 10, 2026 |
| Last Updated | Sep 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
AppFlowy-IO / AppFlowy-Cloud
0.7.2 ≤ 0.9.64
References
gist.github.com: https://gist.github.com/mtholmquist/ab550712a4628c7c7c4705bceccd93b3 github.com: https://github.com/AppFlowy-IO/AppFlowy-Cloud github.com: https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/src/biz/workspace/publish.rs github.com: https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/src/api/workspace.rs vulncheck.com: https://www.vulncheck.com/advisories/appflowy-cloud-0.7.2-through-0.9.64-missing-workspace-authorization-on-bulk-publish-endpoint
Credits
Michael Holmquist