CVE-2026-9182
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Unrestricted File Upload in ArcGIS Server

Publication date: 2026-07-06

Last updated on: 2026-07-06

Assigner: Environmental Systems Research Institute, Inc.

Description
ArcGIS Server contains an unrestricted file upload vulnerability. An unauthenticated attacker could exploit this issue by uploading a crafted file to the affected endpoint. Successful exploitation could allow arbitrary file upload.

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Meta Information

Published
2026-07-06
Last Modified
2026-07-06
Generated
2026-07-06
AI Q&A
2026-07-06
EPSS Evaluated
N/A
NVD
CVE-2026-9182
EUVD
EUVD-2026-41896

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
esri arcgis_server *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

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Executive Summary

This vulnerability exists in ArcGIS Server and involves an unrestricted file upload issue. It allows an unauthenticated attacker to upload a specially crafted file to a vulnerable endpoint without any restrictions.

Successful exploitation of this vulnerability could result in arbitrary file upload, meaning the attacker can place files of their choosing on the server.

Impact Analysis

The impact of this vulnerability is that an attacker can upload arbitrary files to the server without authentication. This could lead to further attacks such as executing malicious code, defacing the website, or compromising the integrity of the server.

According to the CVSS score of 5.3, the vulnerability has a moderate impact, specifically causing integrity loss but no confidentiality or availability impact.

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