Missing Authentication Vulnerability in Esri Portal for ArcGIS
CVE-2026-69228

5.3MEDIUM

Key Information:

Vendor

Esri

Status
Portal For Arcgis
Vendor
CVE Published:
21 August 2026

What is CVE-2026-69228?

A missing authentication vulnerability exists in Esri Portal for ArcGIS versions up to 12.0. This issue allows remote, unauthenticated attackers to gain access to specific resources intended solely for authenticated users. It is essential for users of ArcGIS Enterprise versions 11.1, 11.3, 11.5, and 12.0 to apply the necessary patch to mitigate this vulnerability. Users are strongly advised to upgrade to the latest long-term support release to ensure enhanced security and protection.

Affected Version(s)

Portal for ArcGIS Windows 11.1 <= 12.0

References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.