Critical severity · published Apr 21, 2026
CVE-2026-33519
Incorrect privilege assignment in Portal for ArcGIS
9.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Portal for ArcGIS · Esri
11.4; 11.5; 12.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33519
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33519
Vendor Advisory
https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin
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