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CRITICAL · 9.8

CVE-2026-9182

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 exploitatio...

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
EsriArcgis Server<= 12.0
LinuxLinux Kernel-
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-434

References

FAQ

What is CVE-2026-9182?

CVE-2026-9182 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 exploitatio...

How severe is CVE-2026-9182?

CVE-2026-9182 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-9182?

Check the references section above for vendor advisories and patch information. Affected products include: Esri Arcgis Server, Linux Linux Kernel, Microsoft Windows.