Directory Traversal Vulnerability in ArcGIS Server by Esri
CVE-2026-9181

9.8CRITICAL

Key Information:

Vendor

Esri

Status
Arcgis Server
Vendor
CVE Published:
6 July 2026

What is CVE-2026-9181?

ArcGIS Server has a directory traversal vulnerability that allows an unauthenticated attacker to exploit improperly validated path parameters. By sending specially crafted requests, an attacker could gain access to sensitive files stored on the system. This issue affects all versions of ArcGIS Server 12.0 and earlier, posing a significant risk to data security and system integrity.

Affected Version(s)

ArcGIS Server Windows 0 <= 12.0

References

https://www.esri.com/arcgis-blog/products/arcgis-enterpri...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.