CVE-2026-9182 PUBLISHED

Unvalidated File Upload vulnerability in ArcGIS Server.

Assigner: Esri
Reserved: 21.05.2026 Published: 06.07.2026 Updated: 06.07.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Esri
Product	ArcGIS Server
Versions	Default: unaffected affected from 0 to 12.0 (incl.)

References

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

Problem Types

CWE-434 Unrestricted Upload of File with Dangerous Type CWE