CVE-2026-8396Network attack vector

Unauthenticated data disclosure via external entity resolution

Published Jul 17, 2026 · Updated Jul 17, 2026

XXE in Netcad NetGIS 5.0.66 through 7.2.1 allows remote attackers to read server-accessible data through crafted XML. NetGIS resolves external entity references while parsing attacker-supplied XML, linking serialized data to external resources. No privileges or user interaction are required; published impact is limited to confidentiality, and the affected XML-handling endpoint is undisclosed.

CVSS severity7.5
High
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE in Netcad NetGIS 5.0.66 through 7.2.1 allows remote attackers to read server-accessible data through crafted XML. NetGIS resolves external entity references while parsing attacker-supplied XML, linking serialized data to external resources. No privileges or user interaction are required; published impact is limited to confidentiality, and the affected XML-handling endpoint is undisclosed.

The record

CVE
CVE-2026-8396
Published
Jul 17, 2026
Updated
Jul 17, 2026
Vendor
Netcad Yazılım A.Ş.
Product
NetGIS
Classifications
CWE-611, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 17, 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=5.0.66 <7.2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Netcad Yazılım A.Ş. · NetGISversion=5.0.66 <7.2.2

Published CVSS scores

7.5Computer Emergency Response Team of the Republic of TurkeyCVSS: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-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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