CVE-2026-9182 — Unvalidated File Upload vulnerability in ArcGIS Server.

CVE-2026-9182

Unvalidated File Upload vulnerability in ArcGIS Server. PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Esri / ArcGIS Server	affected 0 through 12.0

CWE

CWE-434

References

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/may-2026-arcgis-security-bulletin

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.