CVE-2026-19080Network attack vector

Unauthenticated account enumeration via response discrepancies

Published Sep 4, 2026 · Updated Sep 4, 2026

Observable response discrepancy in Menulux Portal before 20260903211448 allows remote attackers to enumerate valid accounts. Menulux Software has not disclosed the affected endpoint or the response characteristic that differs between valid and invalid accounts. Unauthenticated network access is sufficient, and the reported consequence is limited to learning which accounts exist.

CVSS severity7.5
High
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Observable response discrepancy in Menulux Portal before 20260903211448 allows remote attackers to enumerate valid accounts. Menulux Software has not disclosed the affected endpoint or the response characteristic that differs between valid and invalid accounts. Unauthenticated network access is sufficient, and the reported consequence is limited to learning which accounts exist.

The record

CVE
CVE-2026-19080
Published
Sep 4, 2026
Updated
Sep 4, 2026
Vendor
Menulux Software Inc.
Product
Menulux Portal
Classifications
CWE-204, CAPEC-575, T1087
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 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 <20260903211448

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Menulux Software Inc. · Menulux Portalversion=0 <20260903211448

Published CVSS scores

7.5TR-CERTCVSS: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-204Observable Response Discrepancy
CAPEC-575Account Footprinting
T1087Account Discovery

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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