{"id":"CVE-2026-85619","title":"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","summary":"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 wi…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-863"],"published":"2026-09-04","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:53:23.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85619","references":[{"url":"https://github.com/AppFlowy-IO/AppFlowy-Cloud","label":"disclosure@vulncheck.com"},{"url":"https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/libs/access-control/src/casbin/collab.rs","label":"disclosure@vulncheck.com"},{"url":"https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/appflowy-cloud-0.9.64-cross-workspace-collab-access-via-http-api","label":"disclosure@vulncheck.com"},{"url":"https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.0054,"epssPercentile":0.4412,"ingestedAt":"2026-09-10T16:57:28.704Z","slug":"CVE-2026-85619","body":"## Overview\n\nAppFlowy-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}