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Vulnerability record · CVE-2026-85619 · published 4 September 2026

CVE-2026-85619: Incorrect authorization vulnerability

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.

7.7 CVSS 4.0 High EPSS 0.57% · top 55.2% CWE-863 · Incorrect authorization Deferred
7.7CVSS 4.0 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
10 Sep 2026Last modified by NVD

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:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/AppFlowy-IO/AppFlowy-Cloud
https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/libs/access-control/src/casbin/collab.rs
https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624
https://www.vulncheck.com/advisories/appflowy-cloud-0.9.64-cross-workspace-collab-access-via-http-api
https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624

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Source: NIST National Vulnerability Database (record CVE-2026-85619), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.