CVE-2026-33518 CRITICAL

CVE-2026-33518: Incorrect privilege assignment in Portal for ArcGIS

Vendor Esri
Product Portal for ArcGIS
Weakness CWE-266
Published April 21, 2026
Last update April 23, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 21, 2026 CVE published
April 23, 2026 Record updated