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Veno File Manager EUVDEUVD-2026-67257

| CVE-2026-37073 MEDIUM
Improper Access Control (CWE-284)
2026-08-27 mitre GHSA-hjrq-vr7r-m27p
PHP Authentication Bypass
5.3
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Network-accessible with no conditions or auth; impact is integrity-only (SMTP relay abuse) with no confidentiality or availability consequence.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

4
Metadata Corrected
Sep 01, 2026 - 21:40 vuln.today
tag: N A removed
Analysis Generated
Sep 01, 2026 - 20:53 vuln.today
CVSS changed
Sep 01, 2026 - 20:22 NVD
5.3 (MEDIUM)
CVE Published
Aug 27, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Incorrect access control in /vfm-admin/ajax/sendfiles.php in Veno File Manager Project 4.4.9 allows an unauthenticated attacker to send emails from the configured SMPT server on the application via making a POST request to the endpoint with needed parameters and header.

AnalysisAI

Unauthenticated SMTP abuse in Veno File Manager 4.4.9 exposes the /vfm-admin/ajax/sendfiles.php endpoint without any access control, allowing any remote attacker to send arbitrary emails through the application's pre-configured SMTP server. By submitting a crafted POST request with the appropriate parameters, an attacker can impersonate the legitimate server's email identity without knowing SMTP credentials - enabling spam delivery, phishing, or targeted social engineering from a trusted domain. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Vulnerability AssessmentAI

Exploitation No authentication or special privileges are required - the endpoint is exposed to any unauthenticated HTTP client with network access to the server. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 5.3 Medium (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) accurately captures the ease of unauthenticated remote exploitation while limiting impact to I:L, reflecting that no system compromise, credential theft, or availability disruption occurs - only SMTP relay abuse. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch has been identified at time of analysis; the vendor site (http://veno.com) should be monitored for an update. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-67257 vulnerability details – vuln.today
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