Vulnerability · Published Oct 13, 2026 · Assigned by Esri
CVE-2026-69226Portal for ArcGIS has a security vulnerability
Medium 6.5
In plain English
A medium-severity incorrect authorization in Portal for ArcGIS from Esri. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 92.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw in Portal for ArcGIS allows unauthenticated users to create new accounts through the sharing endpoint even when self-service account registration is disabled (disableSignup=true). An attacker can bypass the intended restriction by manipulating the signup workflow, resulting in unauthorized account creation.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Esri | Portal for ArcGIS | 0 – through 12.2 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N