CVE-2026-13019
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.
Published:Jul 7, 2026
Last Modified:Sep 29, 2026
EPS:Jul 7, 2026
EPSS Score:0.00847
CVSS Score:9.8
Affected Products
Vendor
Product
Action
Vendor
Esri
Product
Portal For Arcgis
Esri
Portal For Arcgis
Vendor
Kubernetes
Product
Kubernetes
Kubernetes
Kubernetes
Vendor
Linux
Product
Linux Kernel
Linux
Linux Kernel
Vendor
Microsoft
Product
Windows
Microsoft
Windows
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
