CVE-2026-13020 — Weak Password Recovery Mechanism in Portal for ArcGIS

CVE-2026-13020

Weak Password Recovery Mechanism in Portal for ArcGIS PUBLISHED

Description (CNA)

A Weak Password Recovery Mechanism for Forgotten Password exists in Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes. A remote, unauthorized attacker may assume ownership of a user’s account by manipulating this mechanism. ArcGIS Administrators should configure an email server with ArcGIS Enterprise to facilitate user self-service password recovery. The ability for an administrator to reset a user’s password remains unchanged.

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.