Flask-AppBuilder is an application development framework. Prior to 4.5.3, Flask-AppBuilder allows unauthenticated users to enumerate existing usernames by timing the response time from the server when brute forcing requests to login. This vulnerability is fixed in 4.5.3.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/24xxx/CVE-2025-24023.json",
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-204"
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "4.5.3"
},
{
"introduced": "0"
},
{
"fixed": "4.5.3"
}
],
"cpe": "cpe:2.3:a:dpgaspar:flask-appbuilder:*:*:*:*:*:*:*:*",
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
]
}