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CVE-2026-48166— Filament: Timing-based user enumeration on login page

Quick assessment

Affected
filamentphp filament
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

filamentphp filament是filamentphp团队开源的一套Laravel后台管理面板。 filamentphp filament 4.0.0版本至4.11.5之前版本和5.0.0版本至5.6.5之前版本存在信息泄露漏洞，该漏洞源于登录页面存在可观察的时间差异，可能导致未经身份验证的攻击者枚举已注册的电子邮件地址。

CVSS 5.3 · Medium EPSS 0.34% · P28

Affected Version Matrix 2

VendorProduct Version RangeStatus
filamentphp filament >= 4.0.0, < 4.11.5 affected
>= 5.0.0, < 5.6.5 affected
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I. Basic Information for CVE-2026-48166

Vulnerability Information
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Vulnerability Title
Filament: Timing-based user enumeration on login page
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
filamentphp filament 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
filamentphp filament是filamentphp团队开源的一套Laravel后台管理面板。 filamentphp filament 4.0.0版本至4.11.5之前版本和5.0.0版本至5.6.5之前版本存在信息泄露漏洞，该漏洞源于登录页面存在可观察的时间差异，可能导致未经身份验证的攻击者枚举已注册的电子邮件地址。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
filamentphp filament >= 4.0.0, < 4.11.5 -

II. Public POCs for CVE-2026-48166

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III. Intelligence Information for CVE-2026-48166

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Vendor Advisories for CVE-2026-48166 (1)

Same Patch Batch · filamentphp · 2026-06-22 · 6 CVEs total

CVE-2026-55409 7.6 HIGH Filament: Disabled RichEditor field state can be used for XSS
CVE-2026-48505 7.4 HIGH Filament: Multi-factor authentication (app) recovery codes can still be used multiple time
CVE-2026-48500 6.5 MEDIUM Filament: Unauthenticated temporary file upload on auth pages
CVE-2026-48067 6.5 MEDIUM Filament: Inconsistent scope enforcement for AttachAction and AssociateAction Select field
CVE-2026-48167 6.4 MEDIUM Filament: Unvalidated ImageColumn and ImageEntry values can be used for XSS

IV. Related Vulnerabilities

Same product: filament
Same vendor: filamentphp
Same weakness: CWE-208