CVE-2026-69226 Portal for ArcGIS has a security vulnerability

Medium 6.5 Published Updated

Attackers can bypass disabled registration settings to create unauthorized accounts in Portal for ArcGIS, potentially leading to account takeover.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-69226?

CVE-2026-69226 is a medium-severity authentication bypass vulnerability in Esri Portal for ArcGIS, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

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.

Weakness: CWE-863

Which versions are affected by CVE-2026-69226?

How do I fix CVE-2026-69226?

No fix has been published for CVE-2026-69226 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-69226 being exploited?

There is no known exploitation of CVE-2026-69226 in the wild and no public exploit code.

Sources

Also known as GHSA-vq46-qwv8-wvp8.

Is CVE-2026-69226 in your software?

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