CVE-2026-9181 — Directory Traversal in ArcGIS Server

Description (CNA)

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 (CNA)

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

CWE

CWE-22

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.