CVE-2026-33519 Incorrect privilege assignment in Portal for ArcGIS

Critical 9.8 Published 21 Apr 2026 Updated 23 Apr 2026

Attackers can exploit incorrect permission checks on developer credentials to gain unauthorized privileges in Esri Portal for ArcGIS.

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-2026-33519?

CVE-2026-33519 is a critical missing authorization vulnerability in Esri Portal for Arcgis, published on 21 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and Kubernetes that did not correctly check permissions assigned to developer credentials.

Weakness: CWE-266

Which versions are affected by CVE-2026-33519?

It affects 1 product.

Products include Esri Portal for Arcgis.

How do I fix CVE-2026-33519?

No fix has been published for CVE-2026-33519 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-33519 being exploited?

There is no known exploitation of CVE-2026-33519 in the wild and no public exploit code.

All Esri Portal for Arcgis vulnerabilities

Sources

Also known as GHSA-rvfx-c797-vvhx.