There is a code injection vulnerability in Esri Portal for ArcGIS versions 10.8.1 and below that may allow a remote, unauthenticated attacker to pass strings which could potentially cause arbitrary code execution.
https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/portal-for-arcgis-security-2022-update-1-patch/
Source: Mitre, NVD
Published: 2022-08-16
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.6
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS: 0.01016