CVE-2026-9182 Details
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.
A vulnerability allowing unrestricted file uploads has been identified in Esri ArcGIS Server versions 12.0 and prior. This issue could be exploited by an unauthenticated attacker who uploads a crafted file to the affected endpoint, potentially leading to arbitrary file upload.
Esri has released a security patch for this vulnerability as part of the ArcGIS Server Security 2026 Update 2 Patch. This patch is cumulative and can be installed without prior updates. Instructions for downloading this patch are available on the Esri Support website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/may-2026-arcgis-security-bulletin | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| esri arcgis server | <= 12.0 |
CPE
Remediation
| |
| linux linux kernel | All versions |
CPE
Remediation
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| microsoft windows | All versions |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 8, 2026 | CVE Modified | [email protected] |
| Jul 8, 2026 | CVE Modified | [email protected] |
| Jul 8, 2026 | Initial Analysis | [email protected] |
| Jul 6, 2026 | CVE Modified | CISA-ADP |
| Jul 6, 2026 | New CVE Received | [email protected] |