CVE-2024-4266Network attack vector

Unauthenticated disclosure of uploaded files

Published Jun 11, 2024 · Updated Apr 8, 2026

Sensitive information exposure in Roxnor MetForm 3.8.8 and earlier allows remote attackers to read files uploaded through forms. Public sources identify the handle_file function as the affected locus but do not disclose the exact missing check or data-return operation. Exploitation requires a reachable MetForm upload workflow and can expose personally identifiable information stored in user-uploaded files.

CVSS severity5.3
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in Roxnor MetForm 3.8.8 and earlier allows remote attackers to read files uploaded through forms. Public sources identify the handle_file function as the affected locus but do not disclose the exact missing check or data-return operation. Exploitation requires a reachable MetForm upload workflow and can expose personally identifiable information stored in user-uploaded files.

The record

CVE
CVE-2024-4266
Published
Jun 11, 2024
Updated
Apr 8, 2026
Vendor
Roxnor
Product
MetForm
Classifications
CWE-200
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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=0 <=3.8.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Roxnor · MetFormversion=0 <=3.8.8

Published CVSS scores

5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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-200Exposure of Sensitive Information to an Unauthorized Actor

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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