Esri Portal for ArcGIS 11.4 / 11.5 / 12.0 < Security 2026 Update 1 Incorrect Authorization (CVE-2026-33519)

critical Nessus Plugin ID 309966

Synopsis

The remote host is missing one or more security updates.

Description

The version of Esri Portal for ArcGIS installed is 11.4, 11.5, or 12.0 and is missing Security 2026 Update 1. It is, therefore, affected by a vulnerability:

- An incorrect authorization vulnerability exists in Portal for ArcGIS that did not correctly check permissions assigned to developer credentials. (CVE-2026-33519)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the Security 2026 Update 1 patch for Esri Portal for ArcGIS.

See Also

http://www.nessus.org/u?cb8c8870

Plugin Details

Severity: Critical

ID: 309966

File Name: esri_portal_for_arcgis_CVE-2026-33519.nasl

Version: 1.1

Type: Local

Agent: windows

Family: Windows

Published: 4/23/2026

Updated: 4/23/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-33519

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:esri:portal_for_arcgis

Required KB Items: installed_sw/Esri Portal for ArcGIS

Patch Publication Date: 4/13/2026

Vulnerability Publication Date: 4/13/2026

Reference Information

CVE: CVE-2026-33519

IAVA: 2026-A-0394