CVE-2026-9181: Esri Arcgis Server

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Esri ArcGIS Server contains a directory traversal vulnerability. ArcGIS Enterprise on Kubernetes is not impacted. An unauthenticated attacker could exploit this issue by sending crafted path parameters. Successful exploitation could allow overwriting sensitive files on the system. Abuse of this issue can allow full administrative access to ArcGIS Server, with high impact to confidentiality, integrity, and availability. 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 products

• Esri Arcgis Server: up to and including 12.0

Published 2026-07-06. Last modified 2026-07-08.