High
AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-85619
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 18:36 UTC · Revision 1
Source evidence
AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API
core-osv · Original sourcePublished 4 Sept 2026, 14:32 UTC
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.
osv:CVE-2026-85619
Complete source record
{
"id": "c59b2f31d96158a2acc6ada3a242d474928e0fc47eef0c07251b0e714069455c",
"url": "https://osv.dev/vulnerability/CVE-2026-85619",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API",
"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 with their own workspace ID to bypass access controls and read, modify, or delete cross-workspace data.",
"evidence": "osv:CVE-2026-85619",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-85619",
"aliases": [
"CVE-2026-85619"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/appflowy-io/appflowy-cloud",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "ecf8c031d3c955508a0d3887acd61d970022db79"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "0.9.64"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
}
],
"versions": [
"0.9.64",
"0.9.63",
"0.9.62",
"0.9.61",
"0.9.60",
"0.9.59",
"0.9.58",
"0.9.57",
"0.9.56",
"0.9.55",
"0.9.54",
"0.9.53",
"0.9.52",
"0.9.51",
"0.9.50",
"0.9.49",
"0.9.48",
"0.9.47",
"0.9.46",
"0.9.45",
"0.9.44",
"0.9.43",
"0.9.42",
"0.9.41",
"0.9.40",
"0.9.39",
"0.9.38",
"0.9.37",
"0.9.36",
"0.9.35",
"0.9.34",
"0.9.33",
"0.9.32",
"0.9.31",
"0.9.30",
"0.9.29",
"0.9.28",
"0.9.27",
"0.9.26",
"0.9.25",
"0.9.24",
"0.9.23",
"0.9.22",
"0.9.20",
"0.9.21",
"0.9.19",
"0.9.18",
"0.9.17",
"0.9.16",
"0.9.15",
"0.9.14",
"0.9.13",
"0.9.12",
"0.9.9",
"0.9.11",
"0.9.10",
"0.9.8",
"0.9.7",
"0.9.6",
"0.9.5",
"0.9.4",
"0.9.3",
"0.9.2",
"0.9.1",
"0.9.0",
"0.8.19",
"0.8.18",
"0.8.17",
"0.8.16",
"0.8.15",
"0.8.14",
"0.8.13",
"0.8.12",
"0.8.11",
"0.8.10",
"0.8.9",
"0.8.8",
"0.8.7",
"0.8.6",
"0.8.5",
"0.8.4",
"0.8.3",
"0.8.2",
"0.8.1",
"0.8.0",
"0.7.28",
"0.7.27",
"0.7.26",
"0.7.25",
"0.7.24",
"0.7.22",
"0.7.21",
"0.7.20",
"0.7.19",
"0.7.17",
"0.7.15",
"0.7.14",
"0.7.12",
"0.7.13",
"0.7.11",
"0.7.10",
"0.7.9",
"0.7.7",
"0.7.6",
"0.7.5",
"0.7.4",
"0.7.3",
"0.7.2",
"0.7.1-test-extra",
"0.7.1",
"0.6.69",
"0.6.68",
"0.6.67",
"0.6.66",
"0.6.55",
"0.6.54",
"0.6.53",
"0.6.52",
"0.6.51",
"0.6.50",
"0.6.49",
"0.6.48",
"0.6.47",
"0.6.46",
"0.6.45",
"0.6.44",
"0.6.43",
"0.6.41",
"0.6.40",
"0.6.39",
"0.6.38",
"0.6.37",
"0.6.36",
"0.6.35",
"0.6.34",
"0.6.33",
"0.6.32",
"0.6.31",
"0.6.30",
"0.6.29",
"0.6.28",
"0.6.27",
"0.6.26",
"0.6.25",
"0.6.24",
"0.6.23",
"0.6.22",
"0.6.21",
"0.6.20",
"0.6.19",
"0.6.18",
"0.6.17",
"0.6.16",
"0.6.15",
"0.6.14",
"0.6.13",
"0.6.12",
"0.6.11",
"0.6.10",
"0.6.9",
"0.6.8",
"0.6.7",
"0.6.6",
"0.6.5",
"0.6.4",
"0.6.3",
"0.6.2",
"0.6.1",
"0.6.0",
"0.5.52",
"0.5.68",
"0.5.67",
"0.5.66",
"0.5.65",
"0.5.64",
"0.5.63",
"0.5.62",
"0.5.61",
"0.5.60",
"0.5.59",
"0.5.58",
"0.5.57",
"0.5.56",
"0.5.55",
"0.5.54",
"0.5.51",
"0.5.49",
"0.5.48",
"0.5.47",
"0.5.46",
"0.5.45",
"0.5.44",
"0.5.42",
"0.5.33",
"0.5.32",
"0.5.31",
"0.5.30",
"0.5.29",
"0.5.28",
"0.5.27",
"0.5.26",
"0.5.25",
"0.5.24",
"0.5.23",
"0.5.22",
"0.5.21",
"0.5.20",
"0.5.19",
"0.5.18",
"0.5.17",
"0.5.16",
"0.5.15",
"0.5.14",
"0.5.13",
"0.5.12",
"0.5.11",
"0.5.10",
"0.5.9",
"0.5.8",
"0.5.7",
"0.5.6",
"0.5.5",
"0.5.4",
"0.5.3",
"0.5.2",
"0.5.1",
"0.5.0",
"0.4.17",
"0.4.16",
"0.4.15",
"0.4.14",
"0.4.13",
"0.4.12",
"0.4.11",
"0.4.10",
"0.4.9",
"0.4.8",
"0.4.7",
"0.4.5",
"0.4.4",
"0.4.3",
"0.4.2",
"0.4.1",
"0.4.0",
"0.3.41",
"0.3.39",
"0.3.38",
"0.3.37",
"0.3.36",
"0.3.35",
"0.3.34",
"0.3.33",
"0.3.32",
"0.3.31",
"0.3.30",
"0.3.29",
"0.3.28",
"0.3.27",
"0.3.25",
"0.3.24",
"0.3.23",
"0.3.22",
"0.3.21",
"0.3.20",
"0.3.19",
"0.3.18",
"0.3.16",
"0.3.15",
"0.3.14",
"0.3.13",
"0.3.12",
"0.3.11",
"0.3.10",
"0.3.9",
"0.3.8",
"0.3.7",
"0.3.4",
"0.3.3",
"0.3.2",
"0.2.19",
"0.3.0",
"0.2.18",
"0.2.17",
"0.2.16",
"0.2.15",
"0.2.14",
"0.2.13",
"0.2.12",
"0.2.11",
"0.2.10",
"0.2.9",
"0.2.8",
"0.2.7",
"0.2.6",
"0.2.5",
"0.2.4",
"0.2.3",
"0.2.2",
"0.2.1",
"0.2.0",
"0.1.49",
"0.1.48",
"0.1.47",
"0.1.46",
"0.1.45",
"0.1.44",
"0.1.43",
"0.1.42",
"0.1.41",
"0.1.40",
"0.1.39",
"0.1.38",
"0.1.37",
"0.1.36",
"0.1.35",
"0.1.34",
"0.1.33",
"0.1.32",
"0.1.31",
"0.1.30",
"0.1.29",
"0.1.28",
"0.1.25",
"0.1.24",
"0.1.23",
"0.1.22",
"0.1.21",
"0.1.20",
"0.1.18",
"0.1.19",
"0.1.17",
"0.1.16",
"0.1.15",
"0.1.14",
"0.1.13",
"0.1.12",
"0.1.11",
"0.1.10",
"0.1.9",
"0.1.8",
"0.1.7",
"0.1.6",
"0.1.5",
"0.1.4",
"0.1.3",
"0.1.2",
"0.1.1",
"0.1.0",
"0.0.13",
"0.0.5",
"0.0.4",
"0.0.3",
"0.0.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-85619.json"
}
}
],
"modified": "2026-10-28T02:30:38.210661630Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85619.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-85619",
"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",
"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"
],
"provider_metadata": {
"cwe_ids": [
"CWE-863"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85619.json"
}
},
"related_cves": [
{
"value": "CVE-2026-85619",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505755,
"published_at": "2026-09-04T14:32:11.22+00:00"
}