CVE-2026-69226

EUVD-2026-98845
A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
EsriCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6.92%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
esriportal_for_arcgis
𝑥
≤ 12.2
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin