CVE-2026-9182

Modified Modified - Updated After Analysis

Unrestricted File Upload in ArcGIS Server

Publication date: 2026-07-06

Last updated on: 2026-07-08

Assigner: Environmental Systems Research Institute, Inc.

Description

Esri 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, potentially allowing for other attacks. This issue impacts all versions of ArcGIS Server on Windows and Linux 12.0 and prior. This issue does not impact ArcGIS Enterprise for Kubernetes.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-06

Last Modified

2026-07-08

Generated

2026-07-27

AI Q&A

2026-07-06

EPSS Evaluated

2026-07-25

NVD

CVE-2026-9182

EUVD

EUVD-2026-41896

Affected Vendors & Products

Vendor	Product	Version / Range
esri	arcgis_server	to 12.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

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

Attack-Flow Graph

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.

Hi! I’m here to help you understand CVE-2026-9182. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70