CVE-2026-9182
Unvalidated File Upload vulnerability in ArcGIS Server.
CVSS Score
9.8
EPSS Score
0.3%
EPSS Percentile
19th
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.
| CWE | CWE-434 |
| Vendor | esri |
| Product | arcgis server |
| Published | Jul 6, 2026 |
| Last Updated | Jul 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Esri / ArcGIS Server
0 ≤ 12.0