CVE-2026-69227

EUVD-2026-98842
A flaw in Portal for ArcGIS allows unauthenticated access to 

certain Portal Administrator API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
EsriCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24.01%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
esriportal_for_arcgis
11.1 ≤
𝑥
≤ 12.1
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin