CVE-2026-33518 PUBLISHED

Incorrect privilege assignment in Portal for ArcGIS

Assigner: Esri
Reserved: 20.03.2026 Published: 21.04.2026 Updated: 21.04.2026

An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows highly privileged users to create developer credentials that may grant more privileges than expected.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Esri
Product	Portal for ArcGIS
Versions	Default: unaffected Version 11.5 is affected

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin

Problem Types

CWE-266: Incorrect Privilege Assignment (4.19.1) CWE