CVE-2026-19205Network attack vector

Unauthenticated account enumeration via response discrepancies

Published Sep 4, 2026 · Updated Sep 4, 2026

Observable response discrepancy in GastroMenum Web Panel before 31.08.2026 allows remote attackers to identify valid accounts. TR-CERT has not disclosed which unauthenticated request or response attribute differs between existing and nonexistent accounts. No credentials or user interaction are required, and the reported consequence is limited to account footprinting.

CVSS severity7.5
High
EPSS probability0.24%
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 GastroMenum Web Panel before 31.08.2026 allows remote attackers to identify valid accounts. TR-CERT has not disclosed which unauthenticated request or response attribute differs between existing and nonexistent accounts. No credentials or user interaction are required, and the reported consequence is limited to account footprinting.

The record

CVE
CVE-2026-19205
Published
Sep 4, 2026
Updated
Sep 4, 2026
Vendor
GastroMenum
Product
GastroMenum Web Panel
Classifications
CWE-204, CAPEC-575, T1589
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 <31.08.2026

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GastroMenum · GastroMenum Web Panelversion=0 <31.08.2026

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
T1589Gather Victim Identity Information

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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