CVE-2026-2812
Improper Authentication issue in ArcGIS Server
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.
| CWE | CWE-287 |
| Vendor | esri |
| Product | arcgis server |
| Published | May 20, 2026 |
| Last Updated | May 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Esri / ArcGIS Server
11.1 ≤ 12.0