CVE-2026-9161Network attack vector

Unauthenticated account enumeration via response discrepancy

Published Sep 10, 2026 · Updated Sep 10, 2026

Observable response discrepancy in DernekPlus Website Template through 10092026 allows remote attackers to identify valid accounts. TR-CERT has not published the affected request handler or the response difference that exposes account validity. No authentication or user interaction is required; the disclosed consequence is limited to account footprinting that can support follow-on targeting.

CVSS severity5.3
Medium
EPSS probability0.20%
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 DernekPlus Website Template through 10092026 allows remote attackers to identify valid accounts. TR-CERT has not published the affected request handler or the response difference that exposes account validity. No authentication or user interaction is required; the disclosed consequence is limited to account footprinting that can support follow-on targeting.

The record

CVE
CVE-2026-9161
Published
Sep 10, 2026
Updated
Sep 10, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-204, CAPEC-575, T1087
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.3TR-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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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