CVE-2026-9181

critical · 9.8

Esri ArcGIS Server contains a directory traversal vulnerability. ArcGIS Enterprise on Kubernetes is not impacted. An unauthenticated attacker could exploit this issue by sending crafted path parameters. Successful exploitation could allow overwriting sensitive files on the system. Abuse of this issue can allow full administrative access to ArcGIS Server, with high impact to confidentiality, integrity, and availability. 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

1.2%

EPSS (exploit prob.)

67th

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-22

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-2026-9181