CVE-2026-19080— Username Enumeration in Menulux Software's Menulux Portal
Quick assessment
Affected
Menulux Software Inc. Menulux Portal
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Menulux Portal是Menulux公司的一款门户软件。 Menulux Portal 20260903211448之前版本存在侧信道信息泄露漏洞，该漏洞源于可观察响应差异问题，可能导致账户足迹探测。
Possible ATT&CK Techniques 1 AI
T1589 · Gather Victim Identity InformationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Menulux Software Inc. | Menulux Portal | < 20260903211448 |
affected |
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I. Basic Information for CVE-2026-19080
Vulnerability Information
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Vulnerability Title
Username Enumeration in Menulux Software's Menulux Portal
Source: CVE Program / CVE List V5
Vulnerability Description
Observable response discrepancy vulnerability in Menulux Software Inc. Menulux Portal allows Account Footprinting.
This issue affects Menulux Portal: before 20260903211448.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Menulux Portal 侧信道信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Menulux Portal是Menulux公司的一款门户软件。 Menulux Portal 20260903211448之前版本存在侧信道信息泄露漏洞，该漏洞源于可观察响应差异问题，可能导致账户足迹探测。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Menulux Software Inc. | Menulux Portal | 0 ~ 20260903211448 | - |
|
II. Public POCs for CVE-2026-19080
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-19080 (1)
-
🔗 T.C. Siber Güvenlik Başkanlığı - Güvenlik Bildirimleri Detay government-resource
Same Patch Batch · Menulux Software Inc. · 2026-09-04 · 4 CVEs total
| CVE-2026-19051 | 7.1 HIGH | Plaintext Storage of User Credentials in Menulux Software's Menulux Portal |
| CVE-2026-18957 | 5.4 MEDIUM | Stored XSS in Menulux Software's Menulux Portal |
| CVE-2026-19043 | 4.3 MEDIUM | Authorization Bypass Critical POS Management Functions in Menulux Software's Menulux Porta |
IV. Related Vulnerabilities
Same vendor: Menulux Software Inc.
-
CVE-2026-19051
Plaintext Storage of User Credentials in Menulux Software's -
CVE-2026-19043
Authorization Bypass Critical POS Management Functions in Me -
CVE-2026-18957
Stored XSS in Menulux Software's Menulux Portal -
CVE-2026-2346
IDOR in Menulux Software's Mobile App -
CVE-2025-13474
IDOR in Menulux Software's Mobile App
Same weakness: CWE-204
-
CVE-2026-86758
Snipe-IT before 8.7.0 License Key Exposure via CSV Export -
CVE-2026-19205
User Enumeration in GastroMenum's GastroMenum Web Panel -
CVE-2026-78584
Observable Response Discrepancy in Kibana Leading to Cross-S -
CVE-2026-84307
Filament: Password validity disclosure for accounts denied p -
CVE-2026-81033
Automatisch through 0.15.0 User Enumeration via Forgot-Passw
V. Comments for CVE-2026-19080
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