CVE-2026-13019

EUVD-2026-42058
Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for critical function vulnerability allows a remote, unauthenticated attacker to access an unprotected API.
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: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
esriportal_for_arcgis
𝑥
< 12.1
CNA
Common Weakness Enumeration
References
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/june-2026-arcgis-security-bulletin