Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.9 and 9.5.0-alpha.9, the file metadata endpoint (GET /files/:appId/metadata/:filename) does not enforce beforeFind / afterFind file triggers. When these triggers are used as access-control gates, the metadata endpoint bypasses them entirely, allowing unauthorized access to file metadata. This issue has been patched in versions 8.6.9 and 9.5.0-alpha.9.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30850.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "8.6.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "9.0.0"
},
{
"fixed": "9.5.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:parseplatform:parse-server:9.5.0:-:*:*:*:node.js:*:*",
"range": [
{
"introduced": "9.5.0-NA"
},
{
"last_affected": "9.5.0-NA"
}
],
"source": "CPE_STRING"
}
]
}