CVE-2026-69228

Received Received - Intake

Missing Authentication in Esri Portal for ArcGIS

Publication date: 2026-08-21

Last updated on: 2026-08-21

Assigner: Environmental Systems Research Institute, Inc.

Description

There is a missing authentication vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that may allow a remote, unauthenticated attacker to access a specific resource (not user content) that should only be accessible by authenticated users. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, or 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-21

Last Modified

2026-08-21

Generated

2026-08-22

AI Q&A

2026-08-22

EPSS Evaluated

N/A

NVD

CVE-2026-69228

EUVD

EUVD-2026-64156

Affected Vendors & Products

Vendor	Product	Version / Range
esri	portal_for_arcgis	to 12.0 (exc)
esri	arcgis_enterprise	11.1
esri	arcgis_enterprise	11.3
esri	arcgis_enterprise	11.5
esri	arcgis_enterprise	12.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authentication issue in Esri Portal for ArcGIS versions 12.0 and prior. It allows a remote attacker to access a specific resource that should only be available to authenticated users without needing to log in.

Detection Guidance

This vulnerability involves missing authentication in Esri Portal for ArcGIS versions 12.0 and prior. To detect it, check if unauthenticated users can access restricted resources by attempting to access protected endpoints without credentials. Monitor logs for unusual access patterns or requests to sensitive paths. Ensure all ArcGIS Enterprise instances are updated to the latest version.

Impact Analysis

An attacker could exploit this to access sensitive information or resources that require authentication. This may lead to unauthorized data exposure or system access, potentially compromising the integrity of your ArcGIS environment.

Compliance Impact

The missing authentication vulnerability in Esri Portal for ArcGIS could potentially lead to unauthorized access to sensitive resources, which may violate compliance requirements under standards like GDPR or HIPAA that mandate strict access controls and data protection measures.

Mitigation Strategies

Upgrade to the latest long-term support release of ArcGIS Enterprise. Users with versions 11.1, 11.3, 11.5, or 12.0 should apply patches immediately.

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