High 7.5Published Sep 4, 2026

CVE-2026-85619AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API

Updated under an hour ago (Oct 26, 2026, 6:00 PM ET)

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It affects AppFlowy-IO AppFlowy-Cloud. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for AppFlowy-IO AppFlowy-Cloud

Exploited in the last 30 days

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: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AppFlowy-IO AppFlowy-Cloud appflowy_io:appflowy_cloud (from the name)	through 0.9.64	CNA record

References

References

https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624	issue-tracking
https://github.com/AppFlowy-IO/AppFlowy-Cloud	product
https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/libs/access-control/src/casbin/collab.rs	technical-description
https://www.vulncheck.com/advisories/appflowy-cloud-0.9.64-cross-workspace-collab-access-via-http-api	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.