Stored Cross Site Scripting Vulnerability in Esri Portal for ArcGIS
CVE-2026-69230

5.5MEDIUM

Key Information:

Vendor

Esri

Vendor
CVE Published:
21 August 2026

What is CVE-2026-69230?

A stored cross site scripting (XSS) vulnerability exists in Esri Portal for ArcGIS versions up to 11.5, allowing remote attackers with administrative privileges to inject malicious scripts. When executed, these scripts can compromise user interactions within the browser, leading to unauthorized access and potential data breaches. Users of ArcGIS Enterprise 11.1, 11.3, and 11.5 should prioritize patching their systems, while all users are urged to upgrade to the latest long-term support version to safeguard against this vulnerability.

Affected Version(s)

Portal for ArcGIS Windows 11.1 <= 11.5

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.