CVE-2026-48166
Filament: Timing-based user enumeration on login page
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Filament: Timing-based user enumeration on login page
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.
- Record
CVE-2026-48166- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
EUVDEUVD-2026-38393
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.
- Record
EUVD-2026-38393- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5w46-g9pq-wh6f
Filament: Timing-based user enumeration on login page
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.
- Record
GHSA-5w46-g9pq-wh6f- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-48166- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
OSV
Filament: Timing-based user enumeration on login page
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.
- Record
CVE-2026-48166- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
OSVGHSA-5w46-g9pq-wh6f
Filament: Timing-based user enumeration on login page
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.
- Record
GHSA-5w46-g9pq-wh6f- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-208
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
filament/filamentPackagist |
4.0.0 to 4.11.4 | 4.11.5 |
filament/filamentPackagist |
5.0.0 to 5.6.4 | 5.6.5 |
filament/filamentPackagist |
4.0.0 up to 4.11.5, plus listed versions v4.0.0v4.0.1v4.0.10v4.0.11v4.0.12 Show 45 moreShow lessv4.0.13v4.0.14v4.0.15v4.0.16v4.0.17v4.0.18v4.0.19v4.0.2v4.0.20v4.0.3v4.0.4v4.0.5v4.0.6v4.0.7v4.0.8v4.0.9v4.1.0v4.1.1v4.1.10v4.1.2v4.1.3v4.1.4v4.1.5v4.1.6v4.1.7v4.1.8v4.1.9v4.10.0v4.10.1v4.10.2v4.11.0v4.11.1v4.11.2v4.11.3v4.11.4v4.2.0v4.2.1v4.2.2v4.2.3v4.2.4v4.3.0v4.3.1v4.4.0v4.5.0v4.5.1 |
4.11.5 |
filament/filamentPackagist |
5.0.0 up to 5.6.5, plus listed versions v5.0.0v5.1.0v5.1.1v5.1.2v5.1.3 Show 25 moreShow lessv5.2.0v5.2.1v5.2.2v5.2.3v5.2.4v5.3.0v5.3.1v5.3.2v5.3.3v5.3.4v5.3.5v5.4.0v5.4.1v5.4.2v5.4.3v5.4.4v5.4.5v5.5.0v5.5.1v5.5.2v5.6.0v5.6.1v5.6.2v5.6.3v5.6.4 |
5.6.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-48166 is a medium vulnerability (CVSS 5.3) in Filamentphp Filament, published June 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 28th percentile. Fixed in filament/filament 4.11.5.
References
Left out here: 23 versions. The JSON record has them.