CVE-2026-9182

critical · 9.8

Esri ArcGIS Server contains an unrestricted file upload vulnerability. An unauthenticated attacker could exploit this issue by uploading a crafted file to the affected endpoint. Successful exploitation could allow arbitrary file upload, potentially allowing for other attacks. This issue impacts all versions of ArcGIS Server on Windows and Linux 12.0 and prior. This issue does not impact ArcGIS Enterprise for Kubernetes.

9.8

CVSS

0.6%

EPSS (exploit prob.)

48th

EPSS percentile

2026-07-06

Published

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

Weaknesses

CWE-434

Affected products

Vendor	Product	Affected versions
esri	arcgis_server	<= 12.0
linux	linux_kernel	all versions
microsoft	windows	all versions

Check a specific version with /api/v1/cve/match.

References

https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/may-2026-arcgis-security-bulletin

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-9182