High severity · published Jul 6, 2026
CVE-2026-9181
Directory Traversal in ArcGIS Server
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
ArcGIS Server · Esri
through 12.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9181
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9181
Vendor Advisory
https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/may-2026-arcgis-security-bulletin
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