Authorization Flaw in Esri Portal for ArcGIS on Multiple Platforms
CVE-2026-33519

9.8CRITICAL

Key Information:

Vendor

Esri

Status
Portal For Arcgis
Vendor
CVE Published:
21 April 2026

What is CVE-2026-33519?

An incorrect authorization vulnerability exists in Esri Portal for ArcGIS versions 11.4, 11.5, and 12.0 across Windows, Linux, and Kubernetes platforms. This flaw arises from the system's failure to properly validate permissions assigned to developer credentials, potentially allowing unauthorized access to sensitive functions and data within the application.

Affected Version(s)

Portal for ArcGIS Windows 11.4

Portal for ArcGIS Windows 11.5

Portal for ArcGIS Windows 12.0

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/ad...

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

.