CVE-2026-69227 BUG-000187331 Portal for ArcGIS has a security vulnerability
Unauthenticated attackers can access administrative API endpoints in Portal for ArcGIS under specific conditions, potentially gaining unauthorized administrative control.
- 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-2026-69227?
CVE-2026-69227 is a critical 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 access to
certain Portal Administrator API endpoints under specific conditions. This could enable an attacker to access administrative functionality that should require authentication.
Weakness: CWE-306
Which versions are affected by CVE-2026-69227?
How do I fix CVE-2026-69227?
No fix has been published for CVE-2026-69227 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-2026-69227 being exploited?
There is no known exploitation of CVE-2026-69227 in the wild and no public exploit code.
Sources
Also known as GHSA-69m7-xwpq-gfc4.