CVE-2026-13019 — Missing Authentication

Description (CNA)

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. The following versions are known to be affected: Portal for ArcGIS 12.1 and earlier. Other unsupported versions may also be affected. Esri recommends that users apply the Portal for ArcGIS Security 2026 Update 2 Patch to remediate this vulnerability.

Affected (CNA)

Vendor / product	Versions
Esri / Portal for ArcGIS	affected 0 before 12.1

CWE

CWE-640

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/june-2026-arcgis-security-bulletin

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.