CVE-2026-48500Network attack vectorHinoki check available

Unauthenticated file upload via overapplied upload trait

Published Jun 22, 2026 · Updated Jun 22, 2026

Missing authorization in Filament 3.0.0 through 3.3.51, 4.0.0 through 4.11.4, and 5.0.0 through 5.6.4 allows remote attackers to upload files. Filament applies Livewire's WithFileUploads trait to every schema host, including authentication components whose schemas contain no file-upload field. An unauthenticated request to an exposed component can place arbitrary files in temporary storage, enabling disk exhaustion or increased storage costs.

CVSS severity6.5
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Missing authorization in Filament 3.0.0 through 3.3.51, 4.0.0 through 4.11.4, and 5.0.0 through 5.6.4 allows remote attackers to upload files. Filament applies Livewire's WithFileUploads trait to every schema host, including authentication components whose schemas contain no file-upload field. An unauthenticated request to an exposed component can place arbitrary files in temporary storage, enabling disk exhaustion or increased storage costs.

The record

CVE
CVE-2026-48500
Published
Jun 22, 2026
Updated
Jun 22, 2026
Vendor
Filament
Product
Filament
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 3.0.0, < 3.3.52
  2. Affected versionversion=>= 4.0.0, < 4.11.5
  3. Affected versionversion=>= 5.0.0, < 5.6.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Filament · Filamentversion=>= 3.0.0, < 3.3.52; version=>= 4.0.0, < 4.11.5; version=>= 5.0.0, < 5.6.5

Published CVSS scores

6.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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