Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, the login page has an observable timing discrepancy that allows unauthenticated attackers to enumerate registered email addresses. The impact is limited to disclosing whether an account exists for a given email. This vulnerability is fixed in 4.11.5 and 5.6.5.
PUBLISHED5.2CWE-208
Filament: Timing-based user enumeration on login page
Problem type
Affected products
filamentphp
filament
>= 4.0.0, < 4.11.5 - AFFECTED
>= 5.0.0, < 5.6.5 - AFFECTED
References
GitHub Security Advisories
GHSA-5w46-g9pq-wh6f
Filament: Timing-based user enumeration on login page
https://github.com/advisories/GHSA-5w46-g9pq-wh6fThe login page has an observable timing discrepancy that allows unauthenticated attackers to enumerate registered email addresses. The impact is limited to disclosing whether an account exists for a given email.
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-48166Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-48166",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"dateUpdated": "2026-06-22T21:42:37.340Z",
"dateReserved": "2026-05-20T23:12:43.032Z",
"datePublished": "2026-06-22T21:40:01.897Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-22T21:42:37.340Z"
},
"title": "Filament: Timing-based user enumeration on login page",
"descriptions": [
{
"lang": "en",
"value": "Filament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.11.5 and 5.6.5, the login page has an observable timing discrepancy that allows unauthenticated attackers to enumerate registered email addresses. The impact is limited to disclosing whether an account exists for a given email. This vulnerability is fixed in 4.11.5 and 5.6.5."
}
],
"affected": [
{
"vendor": "filamentphp",
"product": "filament",
"versions": [
{
"version": ">= 4.0.0, < 4.11.5",
"status": "affected"
},
{
"version": ">= 5.0.0, < 5.6.5",
"status": "affected"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-208: Observable Timing Discrepancy",
"cweId": "CWE-208",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://github.com/filamentphp/filament/security/advisories/GHSA-5w46-g9pq-wh6f",
"name": "https://github.com/filamentphp/filament/security/advisories/GHSA-5w46-g9pq-wh6f",
"tags": [
"x_refsource_CONFIRM"
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM"
}
}
]
}
}
}