CVE-2026-13020
High
Description
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.
SeverityHigh
CVSS8.1
Exploit probability—
ProductEsri Portal For Arcgis
PublishedJul 7, 2026
First seenJul 7, 2026
Weakness typeCWE-640CWE-640
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| esri portal_for_arcgis | v ≤ 12.1 | — |
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